20 Inch Big Blue GAC Cartridge
Chlorine and smell at whole-house flow, with more contact time than a block.
Granular activated carbon in a 20 by 4.5 inch cartridge. Where a carbon block filters finer, loose granules give the water more time in contact with carbon, which is what heavily chlorinated or smelly supplies need. Fits the second housing of the AquaGuard or any Big Blue unit, or a single housing as a dedicated carbon stage.
You save R90
- The cartridges our own plumbers fit on service calls
- Courier quoted at checkout, free on orders over R1 500
- Ships within 24 hours of payment
- 30-day returns on anything unused
Block or GAC
The carbon block is the default: it filters to 5 micron as well as adsorbing chlorine. GAC has no micron rating of its own but holds more carbon and gives the water longer contact, so it lasts longer on high-chlorine water and does better against taste and smell. Run it after a 5 micron sediment stage, never first.
When to change it
Six to twelve months, when the chlorine smell returns at the taps. Flush ten minutes on fitting; the grey water is fines.
Before you buy.
Read before you buy.
Goes with it.
Whole shop
20 Inch Big Blue Carbon Block Cartridge
Housing two. Chlorine out of every shower in the house.
Every 6 months20 Inch Big Blue Cartridge Set
The AquaGuard service, in one box.
Free courierAquaShield RO Purifier
Six stages. 378 litres a day. Water that tastes like water.