Watts® Granular Activated Carbon Cartridge Item NumberTypeO.D.LengthCapacity (gals.)Quantity Description Additional information Extra information Description Granular Coconut Carbon Related products Granular Activated Filter Cartridges $11.24 – $39.84 Watts® GAC & Phosphate Cartridge $19.64 Watts® GAC & Calcite Carbonate Cartridge Watts® GAC & KDF55 Cartridge $31.01
