Fluval Carbon Foam Filter Pad FX2 FX4 FX5 FX6 Clear Water - 2 Pack GENUINE A249
Fluval Carbon Impregnated Foam Pads are specially designed for Fluval FX4 FX5 and FX6 High Performance Canister Filters. They should be replace every month. Ours are manufactured by Fluval for Fluval.