Coconut Carbon Block Water Filter Cartridge 5 micron 10" x 4.5" Big Blue (4-13P)

Carbon Block Water Filter Cartridge 10" x 4.5" Low Pressure Drop 20 Mic GT4-13LPD

Silver Carbon Block Water Filter | 5 micron | 10" x 4.5"

SILVER IMPREGNATED Carbon Block Water Filter 0.5 micron 10" x 4.5"

Multi-Media Replacement Water Filter Cartridge Alkalising Media For Acidic Water - GAC GT4-14ALK

Pentek CBC-BB Carbon Block Water Filter 0.5 Micron 10" x 4.5"

Carbon Impregnated Pleated Sediment Filter Big Blue | Gravity Flow / Low Pressure

Drop In 10" x 4.5" DI Resin Cartridge (1Kg) De Ionising Filter Cartridge GT4-14DI