Our Shop Cartridges Carbon Block, Pleated, and Polyspun Showing 1–6 of 104 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Carbon Block Cartridge, 10 inch, 0.5um Cyst Red $48.21 Carbon Block Cartridge, 10 inch, 10um $39.68 Carbon Block Cartridge, 10 inch, 5um $39.68 Carbon Block Cartridge, 20 inch, 0.5um Cyst Red $126.34 Carbon Block Cartridge, 20 inch, 10um $90.28 Carbon Block Cartridge, 20 inch, 5um $90.28 1 2 3 4 … 16 17 18 → Water Softeners Showing all 2 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Puretec SOL30-E3 Domestic Water Softener $2,559.59 Puretec SOL40-E3 Domestic Water Softener $3,150.94