20 Inch Water Filters

Our 20 inch water filters offer high-capacity filtration for medium to large flow systems, providing longer service life, improved sediment retention, and greater chemical absorption than standard 10" filters. Suitable for residential, agricultural, commercial, and light industrial applications, these cartridges are ideal for whole-house, borehole, tank-fed, and pre-filtration setups. Available...

Our 20 inch water filters offer high-capacity filtration for medium to large flow systems, providing longer service life, improved sediment retention, and greater chemical absorption than standard 10" filters. Suitable for residential, agricultural, commercial, and light industrial applications, these cartridges are ideal for whole-house, borehole, tank-fed, and pre-filtration setups.

Available in both Slimline (standard diameter) and Big Blue (high-capacity) formats, our 20" filter range includes a variety of options such as string wound, melt-blown, pleated sediment, carbon block, GAC, and specialty media cartridges like iron removal, scale prevention, and ceramic filters.

• 20” Slimline and Big Blue filter cartridges
• Available in 1μm to 100μm sediment removal ratings
• Carbon block, GAC, Siliphos, iron removal, and multi-stage options
• Fits all standard 20" Slimline and Big Blue housings
• Ideal for medium-to-high flow water filtration systems
• Compatible with borehole, rainwater, municipal, and tank-fed supplies

✔ Longer lifespan = fewer cartridge changes
✔ Suitable for high-flow whole-house filtration
✔ NSF-certified filter options available
✔ Widely used in homes, guest lodges, farms & commercial buildings

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  • Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 5 Micron

    Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 10 Micron

    The Darlly-branded 20-inch Slimline 10 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This 10 micron...
    R 52.00
    R 67.00
    R 52.00
  • Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 100 Micron - H2O Warehouse

    Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 100 Micron

    The Darlly-branded 20-inch Slimline 100 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This 100 micron...
    R 52.00
    R 67.00
    R 52.00
  • Darlly 20-inch Slimline meltblown sediment filter cartridge

    Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 20 Micron

    The Darlly-branded 20-inch Slimline 20 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This 20 micron...
    R 52.00
    R 67.00
    R 52.00
  • Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 5 Micron

    Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 5 Micron

    The Darlly-branded 20-inch Slimline 5 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This 5 micron...
    R 52.00
    R 52.00
  • Darlly 20-inch Slimline meltblown sediment filter cartridge

    Darlly 20-Inch Slimline Meltblown Sediment Filter Cartridge – 50 Micron

    The Darlly-branded 20-inch Slimline 50 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This 50 micron...
    R 52.00
    R 67.00
    R 52.00
  • Darlly antibacterial 1 micron meltblown sediment filter cartridge rangeDarlly antibacterial 1 micron meltblown sediment filter cartridge range
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    Darlly Antibacterial 1 Micron Meltblown Sediment Cartridges – 10-Inch Slimline & 20-Inch Big Blue

    Darlly antibacterial 1 micron meltblown sediment cartridges combine fine polypropylene depth filtration with a silver-ion antibacterial additive incorporated into the filter media. They reduce fine suspended particles such as sand, silt and rust while helping to inhibit bacterial growth within the cartridge media. Choose...
    From R 149.00
    R 179.00
    From R 149.00
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  • DARLLY Premium - 3 Pack Big Blue Water Filter Replacement, 20 Inch (3x5 Micron PP, 3xCarbon Block & 3x1 Micron PP) 9 Items - H2O Warehouse

    DARLLY Premium - 3 Pack Big Blue Water Filter Replacement, 20 Inch (3x5 Micron PP, 3xCarbon Block & 3x1 Micron PP) 9 Items

    Premium DARLLY Replacement cartridges will fit any 3 Sage 20 inch Big Blue water filter system Stage 1: 3x DARLLY meltblown sediment filter (5 Micron), removes mud, rust, dirt, floating particulates or any other large particlesStage 2: 3x Carbon Block 800mg/g filter reduces fine...
    R 1,999.00
    R 2,389.00
    R 1,999.00
  • Premium DARLLY 20-inch Big Blue sediment and carbon-block filter cartridge setDarlly 20-inch Big Blue meltblown sediment filter cartridge

    DARLLY Premium - Big Blue Water Filter Replacement Pack, 20 Inch (5 Micron PP, Carbon Block & 1 Micron PP)

    Replacement cartridges will fit any 20 inch Big Blue water filter system Stage 1: DARLLY sediment filter (5 Micron), removes mud, rust, dirt, floating particulates or any other large particlesStage 2: Carbon Block 800mg/g filter reduces fine sediment, chlorine taste and the concentration of heavy metals...
    R 699.00
    R 759.00
    R 699.00
  • Double Bracket for 10" & 20" Big Blue Filter Housing | Epoxy Coated - H2O Warehouse

    Double Bracket for 10" & 20" Big Blue Filter Housing | Epoxy Coated

    This epoxy‑coated Double bracket is engineered to securely mount 2 x 10″ or 20″ Big Blue style filter housing. Made from heavy‑duty steel and epoxy coated for corrosion resistance, it stabilises the housing during use and simplifies maintenance access. Ideal for whole‑house filtration setups,...
    R 235.00
    R 345.00
    R 235.00
  • Double Bracket for 2 Stage 20" inch Slimline Housing | Epoxy Coated - H2O Warehouse

    Double Bracket for 2 Stage 20" inch Slimline Housing | Epoxy Coated

    This epoxy‑coated steel double bracket is purpose‑built to mount two 20‑inch slimline filter housings securely in a 2‑stage filtration configuration. With sturdy construction and protective surface finish, it ensures stability under load and resists rust and corrosion. It’s an excellent solution for whole‑house filtration...
    R 119.00
    R 169.00
    R 119.00
  • Double Floor Standing Frame for 10" & 20" Big Blue Filter Housing | Epoxy Coated - H2O Warehouse

    Double Floor Standing Frame for 10" & 20" Big Blue Filter Housing | Epoxy Coated

    This robust epoxy-coated floor-standing frame is engineered to hold two Big Blue style filter housings (10-inch or 20-inch) side by side. Designed for high-flow filtration setups, it ensures both housings are securely supported and aligned. Built from heavy-gauge steel and finished with protective epoxy,...
    R 889.00
    R 1,099.00
    R 889.00
  • Double Stainless Steel Bracket for 10" & 20" Big Blue Filter Housing - H2O Warehouse

    Double Stainless Steel Bracket for 10" & 20" Big Blue Filter Housing

    This Stainless Steel Double bracket is engineered to securely mount 2 x 10″ or 20″ Big Blue style filter housing. Made from heavy‑duty stainless steel for corrosion resistance, it stabilises the housing during use and simplifies maintenance access. Ideal for whole‑house filtration setups, this...
    R 699.00
    R 795.00
    R 699.00
  • Eco 20-inch Big Blue 1 micron meltblown sediment filter cartridge

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 1 Micron

    The H2O Warehouse Eco 20-inch Big Blue 1 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Big Blue housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment...
    R 151.00
    R 179.00
    R 151.00
  • Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 10 Micron

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 10 Micron

    The H2O Warehouse Eco 20-inch Big Blue 10 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Big Blue housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment...
    R 151.00
    R 151.00
  • Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 10 Micron

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 20 Micron

    The H2O Warehouse Eco 20-inch Big Blue 20 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Big Blue housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment...
    R 151.00
    R 180.00
    R 151.00
  • Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 10 Micron

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 5 Micron

    The H2O Warehouse Eco 20-inch Big Blue 5 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Big Blue housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment...
    R 151.00
    R 180.00
    R 151.00
  • Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 10 Micron

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridge – 50 Micron

    The H2O Warehouse Eco 20-inch Big Blue 50 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Big Blue housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment...
    R 151.00
    R 180.00
    R 151.00
  • Eco 20-inch Big Blue 1 micron meltblown sediment filter cartridges – 10 pack

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridges – 1 Micron, 10 Pack

    This 10-pack of H2O Warehouse Eco 1 micron meltblown polypropylene sediment cartridges is made for standard 20-inch Big Blue filter housings. The cartridges reduce suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment....
    R 1,399.00
    R 1,849.00
    R 1,399.00
  • 20-inch Big Blue 1 micron meltblown sediment filter cartridges – 3 pack

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridges – 1 Micron, 3 Pack

    This 3-pack of H2O Warehouse Eco 1 micron meltblown polypropylene sediment cartridges is made for standard 20-inch Big Blue filter housings. The cartridges reduce suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment....
    R 419.00
    R 549.00
    R 419.00
  • 20-inch Big Blue 1 micron meltblown sediment filter cartridges – 4 pack

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridges – 1 Micron, 4 Pack

    This 4-pack of H2O Warehouse Eco 1 micron meltblown polypropylene sediment cartridges is made for standard 20-inch Big Blue filter housings. The cartridges reduce suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment....
    R 569.00
    R 749.00
    R 569.00
  • Eco 20-inch Big Blue 5 micron meltblown sediment filter cartridges – 10 pack

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridges – 5 Micron, 10 Pack

    This 10-pack of H2O Warehouse Eco 5 micron meltblown polypropylene sediment cartridges is made for standard 20-inch Big Blue filter housings. The cartridges reduce suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment....
    R 1,399.00
    R 1,849.00
    R 1,399.00
  • Eco 20-inch Big Blue 5 micron meltblown sediment filter cartridges – 3 pack

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridges – 5 Micron, 3 Pack

    This 3-pack of H2O Warehouse Eco 5 micron meltblown polypropylene sediment cartridges is made for standard 20-inch Big Blue filter housings. The cartridges reduce suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment....
    R 419.00
    R 549.00
    R 419.00
  • Eco 20-inch Big Blue 5 micron meltblown sediment filter cartridges – 4 pack

    Eco 20-Inch Big Blue Meltblown Sediment Filter Cartridges – 5 Micron, 4 Pack

    This 4-pack of H2O Warehouse Eco 5 micron meltblown polypropylene sediment cartridges is made for standard 20-inch Big Blue filter housings. The cartridges reduce suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment....
    R 569.00
    R 749.00
    R 569.00
  • Eco 20-inch Slimline 1 micron meltblown sediment filter cartridge

    Eco 20-Inch Slimline Meltblown Sediment Filter Cartridge – 1 Micron

    The H2O Warehouse Eco 20-inch Slimline 1 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This...
    R 37.00
    R 55.00
    R 37.00
  • Eco 40-Inch Slimline Meltblown Sediment Filter Cartridge – 5 Micron

    Eco 20-Inch Slimline Meltblown Sediment Filter Cartridge – 10 Micron

    The H2O Warehouse Eco 20-inch Slimline 10 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This...
    R 37.00
    R 37.00
  • Eco 40-Inch Slimline Meltblown Sediment Filter Cartridge – 5 Micron

    Eco 20-Inch Slimline Meltblown Sediment Filter Cartridge – 20 Micron

    The H2O Warehouse Eco 20-inch Slimline 20 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This...
    R 37.00
    R 55.00
    R 37.00
  • Eco 40-Inch Slimline Meltblown Sediment Filter Cartridge – 5 Micron

    Eco 20-Inch Slimline Meltblown Sediment Filter Cartridge – 5 Micron

    The H2O Warehouse Eco 20-inch Slimline 5 micron meltblown polypropylene cartridge is a depth sediment filter for standard 20-inch Slimline housings. It reduces suspended particles such as sand, silt, rust flakes and other visible debris, helping to protect downstream filtration and water-treatment equipment. This...
    R 37.00
    R 55.00
    R 37.00
  • Nano Silver 20 Inch Big Blue Anti-Bacteria Carbon Filter Cartridge - H2O Warehouse

    Nano Silver 20 Inch Big Blue Anti-Bacteria Carbon Filter Cartridge

    The Nano Silver 20 Inch Big Blue Anti-Bacteria Carbon Filter Cartridge combines 5-micron carbon block filtration with nano-silver antimicrobial protection. It helps reduce chlorine, unpleasant tastes, odours and selected organic compounds while inhibiting bacterial growth within the cartridge media. Key Benefits Improves taste and...
    R 881.82
    R 1,633.00
    R 881.82
  • Nano Silver 20 Inch Slimline Anti-Bacteria Carbon Filter Cartridge - H2O Warehouse

    Nano Silver 20 Inch Slimline Anti-Bacteria Carbon Filter Cartridge

    The Nano Silver 20 Inch Slimline Anti-Bacteria Carbon Filter Cartridge combines 5-micron carbon block filtration with nano-silver antimicrobial protection. It helps reduce chlorine, unpleasant tastes, odours and selected organic compounds while inhibiting bacterial growth within the cartridge media. Key Benefits Improves taste and odour:...
    R 418.55
    R 775.10
    R 418.55
  • O - Ring for 20 Inch Big Blue Filter Housing - H2O Warehouse
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    O-Ring for 20 Inch Big Blue Filter Housing

    The O-Ring for 20 Inch Big Blue Filter Housing ensure a leak-free seal. Replacement O-ring for 20inch Big Blue water filter housings Ensures a tight & leak-free seal between the lid & sump of the filter housing Always inspect the O-ring when replacing the...
    R 105.00
    R 120.00
    R 105.00
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  • O - Ring Set for 3 Stage 20 Inch Big Blue Filter Unit | 6 units - H2O Warehouse
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    O-Ring Set for 3 Stage 20 Inch Big Blue Filter Unit | 6 units

    Replacement O-Ring Kit for Big Blue Housing Seals Ensure leak-free performance and proper pressure sealing with this 6-piece O-ring replacement set for the 3-stage 20-inch Big Blue filter housing system. Product Features: High-Quality EPDM Material: Durable and chemical-resistant for long-lasting performance. Double O-Ring Design:...
    R 589.00
    R 720.00
    R 589.00
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  • Pleated Filter Cartridges – Washable & NSF Certified | 10" & 20" Slimline & Big Blue - H2O WarehousePleated Filter Cartridges – Washable & NSF Certified | 10" & 20" Slimline & Big Blue - H2O Warehouse
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    Pleated Filter Cartridges – Washable & NSF Certified | 10" & 20" Slimline & Big Blue

    High-Performance Filtration for Sediment & Particulate Removal Our range of pleated filter cartridges offers a cost-effective and durable filtration solution for residential, commercial, and industrial applications. Manufactured from high-quality polyester material, each cartridge is NSF Certified, washable, and reusable, delivering reliable filtration and extended...
    From R 55.00
    R 65.00
    From R 55.00
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  • Portable 3 - Stage Big Blue Water Filtration System – 20” | 2720 L/h | 55W UV Steriliser | Quick Connect Hoses - H2O WarehousePremium DARLLY 20-inch Big Blue sediment and carbon-block filter cartridge set

    Portable 3-Stage Big Blue Water Filtration System – 20” | 2720 L/h | 55W UV Steriliser | Quick Connect Hoses

    This portable 3-stage Big Blue water filtration system is designed for fast, effective water treatment in flexible or temporary setups. Fitted with quick-connect camlock fittings and flexible hoses, the system allows easy connection to any 1” pump outlet and delivers clean water via a...
    R 5,199.00
    R 6,479.00
    R 5,199.00
  • Pre-Plumbed 3-Stage Big Blue Water Filtration System – 20” | 2720 L/h | 55W UV Steriliser | 1" x 32mm PVC Pipework - H2O WarehousePremium DARLLY 20-inch Big Blue sediment and carbon-block filter cartridge set

    Pre-Plumbed 3-Stage Big Blue Water Filtration System – 20” | 2720 L/h | 55W UV Steriliser | 1" x 32mm PVC Pipework

    The 3-Stage Big Blue Water Filtration System with 55 W UV Steriliser is a high-capacity water treatment solution designed for straightforward installation and reliable operation. It combines three 20-inch Big Blue filter housings, a stainless-steel UV chamber and a durable steel mounting frame for...
    R 5,499.00
    R 6,899.00
    R 5,499.00
  • Pre-Plumbed Fittings Kit for 3-Stage Big Blue System with 55 W UV – 32 mm / 1-Inch - H2O WarehousePre-Plumbed Fittings Kit for 3-Stage Big Blue System with 55 W UV – 32 mm / 1-Inch - H2O Warehouse

    Pre-Plumbed Fittings Kit for 3-Stage Big Blue System with 55 W UV – 32 mm / 1-Inch

    The Pre-Plumbed Fittings Kit for 3-Stage Big Blue Systems with 55 W UV provides the prepared pipework needed to connect a three-stage filtration unit to a compatible ultraviolet steriliser. It is ideal for installers, system builders and customers who already have the filter housings,...
    R 1,243.50
    R 1,243.50
  • Pre-Plumbed Stainless Steel 3-Stage Big Blue Water Filtration System – 20″ | 2,720 L/h | 55W UV Steriliser | 1″ x 32 mm PVC Pipework - H2O WarehousePre-Plumbed Stainless Steel 3-Stage Big Blue Water Filtration System – 20″ | 2,720 L/h | 55W UV Steriliser | 1″ x 32 mm PVC Pipework - H2O Warehouse

    Pre-Plumbed Stainless Steel 3-Stage Big Blue Water Filtration System – 20″ | 2,720 L/h | 55W UV Steriliser | 1″ x 32 mm PVC Pipework

    The Pre-Plumbed Stainless Steel 3-Stage Big Blue Water Filtration System with 55W UV Steriliser is a high-capacity point-of-entry water treatment solution designed to simplify installation while delivering comprehensive sediment filtration, carbon treatment, fine polishing and chemical-free UV disinfection. Based on the H2O Warehouse stainless-steel...
    R 8,899.00
    R 11,599.00
    R 8,899.00
  • Quantum Disinfection™ 3000 Cartridge – 20" Big Blue | High - Flow, Chemical - Free Water Purification - H2O WarehouseQuantum Disinfection™ 350 Cartridge – T33 Inline | Compact, Chemical - Free Water Purification - H2O Warehouse

    Quantum Disinfection™ 3000 Cartridge – 20" Big Blue | High-Flow, Chemical-Free Water Purification

    The Quantum Disinfection™ 3000 Cartridge is a revolutionary, chemical-free water disinfection solution designed for high-flow, high-capacity water treatment systems. Utilizing advanced quantum disinfection media, this 20" Big Blue-compatible cartridge provides instant and continuous microbial elimination without using chemicals, electricity, or additional disinfectants. Designed for...
    R 6,699.00
    R 8,399.00
    R 6,699.00
  • Siliphos Refillable Cartridge – 20" Big Blue | Anti - Scale & Anti - Corrosion Filter - H2O Warehouse

    Siliphos Refillable Cartridge – 20" Big Blue | Anti-Scale & Anti-Corrosion Filter

    Reliable Water Treatment for Corrosion & Scale Protection The 20" Big Blue refillable cartridge is the ultimate solution for scale and corrosion prevention in large households, commercial premises, and high-demand water systems. Siliphos is a high-performance, food-grade polyphosphate-based media designed to prevent scale build-up...
    R 1,262.00
    R 1,402.00
    R 1,262.00
  • Single Mounting Bracket for Big Blue Water Filter Housing, Epoxy Coated - H2O Warehouse

    Single Bracket for 10" & 20" Big Blue Filter Housing | Epoxy Coated

    This epoxy‑coated single bracket is engineered to securely mount a 10″ or 20″ Big Blue style filter housing. Made from heavy‑duty steel and epoxy coated for corrosion resistance, it stabilises the housing during use and simplifies maintenance access. Ideal for whole‑house filtration setups, this...
    R 99.00
    R 179.00
    R 99.00
  • Mounting Bracket, Epoxy Coated For Slimline Water Filters - H2O Warehouse

    Single Bracket for 20" Slimline Water Filter Housing | Epoxy Coated

    This epoxy‑coated single bracket is designed to securely mount a 20‑inch slimline filter housing. Constructed from strong steel with an epoxy finish, it offers robust support and corrosion resistance. Ideal for mounting heavier housings, it ensures alignment, stability, and safer handling during filter changes....
    R 68.00
    R 85.00
    R 68.00
  • Single Stainless Steel Bracket for 10" & 20" Big Blue Filter Housing - H2O Warehouse

    Single Stainless Steel Bracket for 10" & 20" Big Blue Filter Housing

    This Stainless Steel Single bracket is engineered to securely mount 1 x 10″ or 20″ Big Blue style filter housing. Made from heavy‑duty stainless steel for corrosion resistance, it stabilises the housing during use and simplifies maintenance access. Ideal for whole‑house filtration setups, this...
    R 499.00
    R 595.00
    R 499.00
  • Spanner for 20 - Inch Big Blue Water Filter Housing - H2O Warehouse

    Spanner for 10" & 20" Big Blue Water Filter Housing

    Sturdy and reliable tool designed specifically for opening and tightening Big Blue water filter housings. It provides the leverage and grip needed to safely loosen or secure housings without causing damage to the canister or risking leaks from improper sealing. Ideal for routine maintenance...
    R 65.00
    R 99.00
    R 65.00
  • String wound 20" Big Blue 1 micron cartridge - H2O Warehouse

    String wound 20" Big Blue 1 micron cartridge

    String Wound 20" Big Blue 1 Micron Water Filter Cartridge The String Wound 20" Big Blue 1 Micron Water Filter Cartridge is designed to deliver superior sediment filtration for your water system, ensuring the removal of fine particles and contaminants. Its large Big Blue...
    R 273.00
    R 349.00
    R 273.00
  • String Wound Filter Cartridges – Slimline & Big Blue | 10", 20", 30" | 1 to 100 Micron - H2O Warehouse
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    String wound 20" Big Blue 10 micron cartridge

    String Wound 20" Big Blue 10 Micron Water Filter Cartridge The String Wound 20" Big Blue 10 Micron Water Filter Cartridge is designed to deliver superior sediment filtration for your water system, ensuring the removal of fine particles and contaminants. Its large Big Blue...
    R 273.00
    R 349.00
    R 273.00
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  • String wound 20" Big Blue 20 micron cartridge - H2O Warehouse

    String wound 20" Big Blue 20 micron cartridge

    String Wound 20" Big Blue 20 Micron Water Filter Cartridge The String Wound 20" Big Blue 20 Micron Water Filter Cartridge is designed to deliver superior sediment filtration for your water system, ensuring the removal of fine particles and contaminants. Its large Big Blue...
    R 273.00
    R 349.00
    R 273.00
  • String wound 20" Big Blue 5 micron cartridge - H2O Warehouse

    String wound 20" Big Blue 5 micron cartridge

    String Wound 20" Big Blue 5 Micron Water Filter Cartridge The String Wound 20" Big Blue 5 Micron Water Filter Cartridge is designed to deliver superior sediment filtration for your water system, ensuring the removal of fine particles and contaminants. Its large Big Blue...
    R 273.00
    R 349.00
    R 273.00
  • String wound 20" Slimline 1 micron cartridge - H2O Warehouse

    String wound 20" Slimline 1 micron cartridge

    String Wound 20" Slimline 1 Micron Water Filter Cartridge The String Wound 20" Slimline 1 Micron Water Filter Cartridge is designed for high-efficiency filtration, effectively removing fine particles and contaminants from your water. Its Slimline design and advanced string wound construction make it an...
    R 87.00
    R 108.00
    R 87.00
  • String wound 20" Slimline 10 micron cartridge - H2O Warehouse

    String wound 20" Slimline 10 micron cartridge

    String Wound 20" Slimline 10 Micron Water Filter Cartridge The String Wound 20" Slimline 10 Micron Water Filter Cartridge is designed for high-efficiency filtration, effectively removing fine particles and contaminants from your water. Its Slimline design and advanced string wound construction make it an...
    R 87.00
    R 108.00
    R 87.00
  • String wound 20" Slimline 100 micron cartridge - H2O Warehouse

    String wound 20" Slimline 100 micron cartridge

    String Wound 20" Slimline 100 Micron Water Filter Cartridge The String Wound 20" Slimline 100 Micron Water Filter Cartridge is designed for high-efficiency filtration, effectively removing fine particles and contaminants from your water. Its Slimline design and advanced string wound construction make it an...
    R 87.00
    R 108.00
    R 87.00
  • String Wound Filter Cartridges – Slimline & Big Blue | 10", 20", 30" | 1 to 100 Micron - H2O Warehouse

    String wound 20" Slimline 5 micron cartridge

    String Wound 20" Slimline 5 Micron Water Filter Cartridge The String Wound 20" Slimline 5 Micron Water Filter Cartridge is designed for high-efficiency filtration, effectively removing fine particles and contaminants from your water. Its Slimline design and advanced string wound construction make it an...
    R 87.00
    R 108.00
    R 87.00

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