NSF Certified

Shop with confidence from our curated range of NSF Certified water filtration products, designed and independently tested to meet the highest global standards for health, safety, and performance. NSF (National Sanitation Foundation) certification ensures that products comply with strict criteria for material safety, structural integrity, and filtration efficiency—giving peace of mind to households, commercial users, and installers alike.

This collection includes a wide selection of NSF-approved filter media, cartridges, RO membranes, housing components, and fittings suitable for both point-of-use (POU) and point-of-entry (POE) systems. Whether you're using municipal water or treating borehole or rainwater, NSF certification guarantees quality you can trust.

• NSF 42, 53, 58, and 61 certified components
• Granular Activated Carbon (GAC), Carbon Block & KDF cartridges
• Siliphos, Calcite, AFM & other media with NSF listings
• Reverse Osmosis (RO) systems & replacement filters
• UV sterilisation systems with NSF Class A or B
• NSF-certified housings, membranes & accessories
• Suitable for residential, commercial & industrial use

✔ Verified performance and contaminant reduction
✔ Manufactured using non-toxic, food-safe materials
✔ Ideal for drinking water, food service, and sensitive environments
✔ Globally recognised certification for compliance and quality

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  • Water Softener Salt, NSF Certified, 10kg - H2O Warehouse

    Water Softener Salt, NSF Certified, 10kg

    Salt used for the regeneration of water softener resins Manufactured from refined salt Tested and certified by the Water Quality Association according to the ANSI 61 NSF Certified Water Softener Salt, NSF Certified, 10kg is ideal for your water softening filtration systems NSF Certification...
    R 298.00
    R 354.00
    R 298.00
  • WONDER ULTRAVIOLET Germicidal UV Steriliser, NSF Certified, 40W, 2720 Litres Per Hour, 3/4 Inch Male - H2O Warehouse3 - Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) - H2O Warehouse

    WONDER ULTRAVIOLET Germicidal UV Steriliser, NSF Certified, 40W, 2720 Litres Per Hour, 3/4 Inch Male

    The WONDER ULTRAVIOLET 40W UV Steriliser is an NSF‑certified germicidal unit offering reliable disinfection for domestic and light commercial water use. With a 40W lamp and ¾‑inch male inlet/outlet, it treats up to 2,720 litres per hour. It uses UV‑C light to eliminate bacteria,...
    R 4,208.00
    R 4,951.00
    R 4,208.00
  • WONDER ULTRAVIOLET Germicidal UV Steriliser, NSF Certified, 65W, 3024 Litres Per Hour, 1 - Inch Male - H2O Warehouse3 - Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) - H2O Warehouse

    WONDER ULTRAVIOLET Germicidal UV Steriliser, NSF Certified, 65W, 3024 Litres Per Hour, 1-Inch Male

    he WONDER ULTRAVIOLET UV Steriliser is a high‑capacity, NSF-certified germicidal UV unit. With a 65W lamp and 1‑inch male fittings, it delivers up to 3,024 litres per hour of water‑sterilisation flow. Utilising UV‑C radiation, it provides a chemical‑free disinfection method capable of eliminating bacteria...
    R 5,259.00
    R 6,187.00
    R 5,259.00
  • WONDER® Ultraviolet Germicidal UV Steriliser – 85W | 5450 LPH | 1½” Male | NSF Certified - H2O Warehouse3 - Stage Big Blue Descale + UV Water Filtration System – 20 Inch, 2720 L/h (Sediment + Carbon Block + Siliphos + 55W UV) - H2O Warehouse

    WONDER® Ultraviolet Germicidal UV Steriliser – 85W | 5450 LPH | 1½” Male | NSF Certified

    Ensure safe, bacteria-free water for residential or commercial use with the WONDER® 85W Ultraviolet Germicidal UV Steriliser. Designed to deliver powerful disinfection at high flow rates, this system is suitable for whole-house filtration, rainwater treatment, agricultural operations, and other medium-to-high volume applications. The system...
    R 7,651.00
    R 8,999.00
    R 7,651.00

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