RO Replacement Packs

Keep your Reverse Osmosis (RO) system performing at its best with our range of RO Replacement Packs, carefully assembled for standard 3-stage, 4-stage, 5-stage, and 6-stage domestic under-counter units. Each pack contains all the necessary pre- and post-filters—plus optional RO membranes and remineralisation filters—to ensure optimal filtration performance, taste, and...

Keep your Reverse Osmosis (RO) system performing at its best with our range of RO Replacement Packs, carefully assembled for standard 3-stage, 4-stage, 5-stage, and 6-stage domestic under-counter units. Each pack contains all the necessary pre- and post-filters—plus optional RO membranes and remineralisation filters—to ensure optimal filtration performance, taste, and purity.

Ideal for routine maintenance, these packs take the guesswork out of replacements and are compatible with most popular RO systems in South Africa, including Karofi, Aqua Pro, Hydrotek, and other standard 10” slimline units.

• Pre-filter packs: sediment, granular carbon (GAC), carbon block
• Optional T33 inline carbon post-filters for taste & odour
• RO membranes: 50GPD, 75GPD, 100GPD (Filmtec & generic)
• Optional mineralisation / pH correction cartridges
• Full 6-month and annual replacement kits available
• NSF Certified filter options included where applicable

✔ Convenient packs tailored to RO system stages
✔ Cost-effective and easy to install
✔ Keeps water pure, fresh, and safe
✔ Perfect for households on borehole or municipal water

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  • 10 Inch 3 Stage Water Filter Replacement Cartridge Set - 5mic, GAC & Carbon Block - H2O Warehouse

    10 Inch 3 Stage Water Filter Replacement Cartridge Set - 5mic, GAC & Carbon Block

    Replacement cartridges will fit any 10 inch Slimline 3 stage filter system Can be used as a replacement set of pre-filters for domestic reverse osmosis filter systems Stage 1: Sediment filter (5 Micron), removes mud, rust, dirt, floating particulates or any other large particles...
    R 119.00
    R 149.00
    R 119.00
  • 5 - Stage Reverse Osmosis Replacement Filter Set (Without Membrane) - H2O Warehouse5 - Stage Reverse Osmosis Replacement Filter Set (Without Membrane) - H2O Warehouse

    5-Stage Reverse Osmosis Replacement Filter Set (Without Membrane)

    5-Stage Reverse Osmosis Replacement Filter Set (Without Membrane) Keep your reverse osmosis system operating at its best with this replacement filter set for ALL 5-stage RO systems, excluding the RO membrane. Ideal for routine maintenance, this set includes all the pre-filters and post-filter needed...
    R 229.00
    R 289.00
    R 229.00
  • 50 GPD 5 - Stage Reverse Osmosis Replacement Filter Set - H2O Warehouse5 - Stage Reverse Osmosis Replacement Filter Set (Without Membrane) - H2O Warehouse

    50 GPD 5-Stage Reverse Osmosis Replacement Filter Set

    50 GPD 5-Stage Reverse Osmosis Replacement Filter Set Upgrade and maintain your 5-stage reverse osmosis system with this high-quality 50 GPD replacement filter set. Designed to restore your water purification system’s peak performance, this comprehensive set includes all necessary cartridges and a 50 GPD...
    R 409.00
    R 589.00
    R 409.00
  • 75 GPD 5 - Stage Reverse Osmosis Replacement Filter Set - H2O Warehouse5 - Stage Reverse Osmosis Replacement Filter Set (Without Membrane) - H2O Warehouse

    75 GPD 5-Stage Reverse Osmosis Replacement Filter Set

    75 GPD 5-Stage Reverse Osmosis Replacement Filter Set Upgrade and maintain your 5-stage reverse osmosis system with this high-quality 75 GPD replacement filter set. Designed to restore your water purification system’s peak performance, this comprehensive set includes all necessary cartridges and a 75 GPD...
    R 435.00
    R 599.00
    R 435.00
  • 100 GPD 5 - Stage Reverse Osmosis Replacement Filter Set - H2O Warehouse5 - Stage Reverse Osmosis Replacement Filter Set (Without Membrane) - H2O Warehouse

    100 GPD 5-Stage Reverse Osmosis Replacement Filter Set

    100 GPD 5-Stage Reverse Osmosis Replacement Filter Set Upgrade and maintain your 5-stage reverse osmosis system with this high-quality 100 GPD replacement filter set. Designed to restore your water purification system’s peak performance, this comprehensive set includes all necessary cartridges and a 100 GPD...
    R 485.00
    R 689.00
    R 485.00
  • 20 Inch Slimline 3 Stage Water Filter Replacement Cartridge Set - 5mic, GAC & Carbon Block - H2O Warehouse

    20 Inch Slimline 3 Stage Water Filter Replacement Cartridge Set - 5mic, GAC & Carbon Block

    Replacement cartridges will fit any 20 inch Slimline 3 stage filter system Can be used as a replacement set of pre-filters for domestic reverse osmosis filter systems Stage 1: Sediment filter (5 Micron), removes mud, rust, dirt, floating particulates or any other large particles...
    R 269.00
    R 299.00
    R 269.00
  • 800 GPD Reverse Osmosis Replacement Filter Set with Membrane | 1 PP Sediment Filter, 2 CTO Carbon Filters & 800 GPD RO Membrane - H2O Warehouse800GPD Reverse Osmosis Unit with 11 - Gallon Storage Pressure Tank | High - Capacity RO System - H2O Warehouse

    800 GPD Reverse Osmosis Replacement Filter Set with Membrane | 1 PP Sediment Filter, 2 CTO Carbon Filters & 800 GPD RO Membrane

    800 GPD Reverse Osmosis Water Filtration System Replacement Filter Set Upgrade and maintain your reverse osmosis system with this high-quality 800 GPD replacement filter set. Designed to restore your water purification system’s peak performance, this comprehensive set includes all necessary cartridges and a 800...
    R 2,859.00
    R 3,659.00
    R 2,859.00
  • 800GPD - RO Pre Filter Replacement Set excl Membrane | 1 x PP, 2 x CTO - H2O Warehouse800GPD Reverse Osmosis Unit with 11 - Gallon Storage Pressure Tank | High - Capacity RO System - H2O Warehouse

    800GPD - RO Pre Filter Replacement Set excl Membrane | 1 x PP, 2 x CTO

    800 GPD Reverse Osmosis Water Filtration System Replacement Filter Set excluding membrane 800GPD Reverse Osmosis Replacement Filter Set (Without Membrane)Keep your reverse osmosis system operating at its best with this replacement filter set for the 800GPD RO system, excluding the RO membrane. Ideal for...
    R 599.00
    R 719.00
    R 599.00

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