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...
Availability: In Stock
Product Type: Replacement Cartridges
R 355.00
R 445.00
R 355.00
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Subtotal: R 355.00
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All 4m & 6m pipe lengths will be cut into 2m lengths for courier delivery. If you require full lengths please email us with your order number and request.
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 355.00

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

R 445.00 R 355.00

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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