Fluval Phosphate Remover for FX2/FX4/FX5/FX6 Canister Filter, 3-Pack

Designed specifically for FX Series canister filters, phosphate resin infused pads perform double duty as both an effective mechanical and chemical media.. Compatibility. FX2/FX4/FX5/FX6 Canister Filter. Features. Specifically designed for Fluval FX filters. Effective at removing and controlling phosphate. Effectively traps floating particles for clear water (debris, excess food and waste). Prevents potential outbreak. Custom fit to increase filtration efficiency. For best results, replace monthly or as required after testing water with your Fluval test kit. Convenient 3-pack format. For use in freshwater and saltwater aquariums