3 Stage Big Blue Units only

Shop our complete range of 3 Stage Big Blue Filtration Units, ideal for whole-house, commercial, and industrial water treatment applications. These robust point-of-entry (POE) systems use oversized Big Blue housings to deliver high-flow filtration and longer-lasting performance—perfect for homes, guesthouses, farms, or any site with high water usage and visible...

Shop our complete range of 3 Stage Big Blue Filtration Units, ideal for whole-house, commercial, and industrial water treatment applications. These robust point-of-entry (POE) systems use oversized Big Blue housings to deliver high-flow filtration and longer-lasting performance—perfect for homes, guesthouses, farms, or any site with high water usage and visible sediment or chemical contaminants.

Each 3-stage unit typically combines sediment, carbon, and speciality cartridges (such as iron removal or scale prevention) to ensure comprehensive treatment. Units are available with 10” or 20” Big Blue housings, supplied fully assembled with mounting brackets, pressure relief valves, and cartridge sets—ready to install.

• 3-stage POE filtration units with Big Blue housings
• Removes sediment, chlorine, odours, and other contaminants
• Optional Siliphos cartridges for scale and corrosion protection
• Suitable for borehole, municipal, or rainwater supply
• Ideal for homes, farms, lodges, and commercial use
• Available with UV steriliser add-ons for disinfection
• NSF Certified cartridges available

✔ High-capacity filtration for large volumes of water
✔ Customisable cartridge combinations
✔ Simple installation & easy cartridge replacement
✔ Built for reliability in South African water conditions

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  • 3 - Stage Big Blue Water Filtration System – 20 Inch, 2720 L/h (1 & 5 Micron Sediment + Carbon Block Filters) - H2O Warehouse3 - Stage Big Blue Descale Water Filtration System – 20 Inch, 2720 L/h (5 Micron Sediment + Carbon Block + Siliphos Cartridge) - H2O Warehouse

    3-Stage Big Blue Water Filtration System – 20 Inch, 2720 L/h (1 & 5 Micron Sediment + Carbon Block Filters)

    The 3-Stage Big Blue Water Filtration System is a high-capacity water filtration solution designed for residential, commercial, and light industrial applications. This system processes up to 2720 litres per hour, effectively removing sediment, chlorine, and other contaminants, delivering clean, safe, and great-tasting water. Equipped...
    R 2,489.00
    R 2,898.00
    R 2,489.00
  • 3 - Stage Big Blue Descale Water Filtration System – 20 Inch, 2720 L/h (5 Micron Sediment + Carbon Block + Siliphos Cartridge) - H2O Warehouse3 - Stage Big Blue Descale Water Filtration System – 20 Inch, 2720 L/h (5 Micron Sediment + Carbon Block + Siliphos Cartridge) - H2O Warehouse

    3-Stage Big Blue Descale Water Filtration System – 20 Inch, 2720 L/h (5 Micron Sediment + Carbon Block + Siliphos Cartridge)

    3-Stage Big Blue Descale Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos Cartridge) The 3-Stage Big Blue Descale Filtration System is a point-of-entry whole-house water filter that delivers clean, fresh water to every tap while protecting your plumbing...
    R 3,349.00
    R 3,898.00
    R 3,349.00
  • 3 - Stage Big Blue Water Filtration System with 55W UV Steriliser – Includes 2 Sediment & 1 Carbon Block Filters - H2O Warehouse3 - Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) - H2O Warehouse

    3-Stage Big Blue Water Filtration System with 55W UV Steriliser – Includes 2 Sediment & 1 Carbon Block Filters

    The 3-Stage Big Blue Water Filtration System with 55W UV Steriliser provides a comprehensive water purification solution, ensuring clean, safe, and bacteria-free water for residential, commercial, and industrial applications. With two sediment filters (5-micron & 1-micron) and a carbon block filter, this system effectively...
    R 4,398.00
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    R 4,398.00
  • 3 - Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) - H2O Warehouse3 - Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) - H2O Warehouse

    3-Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV)

    3-Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) The 3-Stage Big Blue Descale + UV Filtration System is a whole-house water treatment solution that provides clear, safe, and scale-free...
    R 5,398.00
    R 6,229.00
    R 5,398.00
  • 3 Stage 20Inch Big Blue Filtration Unit (Stainless Steel) excl Filters - H2O Warehouse3 - Stage Big Blue Descale Water Filtration System – 20 Inch, 2720 L/h (5 Micron Sediment + Carbon Block + Siliphos Cartridge) - H2O Warehouse

    3 Stage 20Inch Big Blue Filtration Unit (Stainless Steel) excl Filters

    Premium Whole-House Water Filtration – Without Cartridges This high-capacity 3-stage Big Blue system is designed to deliver exceptional water filtration performance for your entire home. Built on a strong stainless steel frame with powder-coated black finish, the system offers flexibility for wall-mounted or freestanding...
    R 5,499.00
    R 7,399.00
    R 5,499.00
  • 3 Stage 20Inch Big Blue Filtration Unit (Stainless Steel) incl Filters - H2O Warehouse3 - Stage Big Blue Descale Water Filtration System – 20 Inch, 2720 L/h (5 Micron Sediment + Carbon Block + Siliphos Cartridge) - H2O Warehouse

    3 Stage 20Inch Big Blue Filtration Unit (Stainless Steel) incl Filters

    Premium Whole-House Water Filtration – Without UV This high-capacity 3-stage Big Blue system is designed to deliver exceptional water filtration performance for your entire home. Built on a strong stainless steel frame with powder-coated black finish, the system offers flexibility for wall-mounted or freestanding...
    R 5,898.00
    R 8,097.00
    R 5,898.00
  • 3 Stage 20 - Inch Big Blue Filtration Unit with 55W UV Steriliser (Stainless Steel) | Includes Filters - H2O Warehouse3 - Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) - H2O Warehouse

    3 Stage 20-Inch Big Blue Filtration Unit with 55W UV Steriliser (Stainless Steel) | Includes Filters

    Upgrade your home’s water system with the H2O Warehouse 3-Stage 20" Big Blue Filtration Unit, now integrated with a high-performance 55W stainless steel UV steriliser. This premium "Point of Entry" system offers comprehensive water purification and disinfection, ensuring safe, crystal-clear water for your entire...
    R 7,898.00
    R 10,653.00
    R 7,898.00
  • 3 Stage Big Blue Water Filtration System with Advanced 65W WONDER® Germicidal UV Sterilizer - H2O WarehouseWONDER ULTRAVIOLET Germicidal UV Steriliser, NSF Certified, 65W, 3024 Litres Per Hour, 1 - Inch Male - H2O Warehouse

    3 Stage Big Blue Water Filtration System with Advanced 65W WONDER® Germicidal UV Sterilizer

    Protect your home’s water supply with this high-performance 3 Stage Big Blue Water Filtration System, complete with an advanced 65W WONDER® Germicidal UV Sterilizer for thorough disinfection. Designed to handle municipal or rainwater sources, this system is ideal for households concerned about sediment, chlorine,...
    R 7,999.00
    R 10,599.00
    R 7,999.00

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