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20" x 4.5" Carbon GAC Filters We stock a full range of GAC Granular Activated Filter cartridges Filter by: Items starting with ... A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9 Displaying 1 to 4 (of 4 products)   Big White/Blue GAC Granular Carbon & KDF Filter Cartridge 20 Price: $89.00 Save: $20.00  (18%) off RRP More Info Quick Buy Big White/Blue GAC Granular Carbon Filter Refillable 20" Price: $70.00 Save: $29.00  (29%) off RRP More Info Quick Buy Big White/Blue GAC Granular Carbon Phosphate Scale Filter 20" Price: $79.00 Save: $20.00  (20%) off RRP More Info Quick Buy Big White/Blue GAC Granular Carbon Silver Filter 20" Price: $89.00 Save: $10.00  (10%) off RRP More Info Quick Buy Displaying 1 to 4 (of 4 products)