20 Inch Big Blue Carbon Block Water Filter Replacement Cartridge, NSF Certified, 4.5 Inch Diameter-Water Filter-H2O Warehouse

20-Inch Big Blue Carbon Block Filter Cartridge – Premium Range | 800mg/g

The 20-Inch Big Blue Carbon Block Filter Cartridge – Premium Range (800mg/g) is a high-performance water filtration...
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Product Type: Replacement Cartridges
R 375.00
R 445.00
R 375.00
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Subtotal: R 375.00
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20 Inch Big Blue Carbon Block Water Filter Replacement Cartridge, NSF Certified, 4.5 Inch Diameter-Water Filter-H2O Warehouse

20-Inch Big Blue Carbon Block Filter Cartridge – Premium Range | 800mg/g

R 445.00 R 375.00

20-Inch Big Blue Carbon Block Filter Cartridge – Premium Range | 800mg/g

R 445.00 R 375.00

The 20-Inch Big Blue Carbon Block Filter Cartridge – Premium Range (800mg/g) is a high-performance water filtration solution designed for whole-house systems, commercial setups, and industrial applications. Manufactured using premium-grade activated carbon, this cartridge provides exceptional chlorine, taste, and odour removal, with a high adsorption capacity rated at 800mg/g iodine number.

Engineered for high flow rates and extended life span, this carbon block cartridge ensures efficient removal of volatile organic compounds (VOCs), pesticides, disinfection by-products, and chemical pollutants. It also provides excellent sediment holding capacity for finer particulate filtration.


Key Features

  • Premium Carbon Block Media – Manufactured with fine coconut shell-based activated carbon for superior adsorption.

  • High Iodine Rating: 800mg/g – Delivers excellent chlorine, taste, and chemical reduction performance.

  • Whole-House Compatibility – Fits all standard 20-inch Big Blue filter housings.

  • Improves Water Quality – Enhances taste, smell, and clarity of drinking water.

  • Dense Filtration Structure – Removes both particulates and dissolved contaminants in one step.

  • Long-Lasting Performance – Extended lifespan compared to standard carbon block cartridges.


Technical Specifications

  • Filter Type: Carbon Block

  • Size: 20" x 4.5" (Big Blue Standard)

  • Carbon Type: Coconut shell activated carbon

  • Iodine Number: 800mg/g

  • Micron Rating: 5 micron (nominal)

  • Chlorine Reduction: ≥ 95%

  • Recommended Flow Rate: 15–20 litres/min

  • Max Pressure: 8 bar

  • Max Temperature: 52°C

  • Service Life: ±6 months (depending on water quality)


Applications

  • Whole-house water filtration systems

  • Rainwater harvesting systems

  • Municipal water treatment

  • Pre-filtration for reverse osmosis units

  • Commercial kitchens and beverage processing

  • Offices, lodges, farms and rural buildings


What You Get

  • 1 x 20-Inch Big Blue Carbon Block Filter Cartridge – Premium Range (800mg/g)


Important Notes

  • For best performance, use after a sediment pre-filter to extend cartridge life.

  • This filter is not intended to remove pathogens. Combine with UV or Quantum Disinfection™ for microbiological safety.

  • Always replace cartridge every 6 months or as pressure drops significantly.

  • Images are for reference only 

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