Fluval Water Polishing Pad for FX4, FX5 and FX6 External Filters 3 pack. Mechanical Filtration.

Genuine Fluval Quick Clear Polishing Pads have been designed specifically for the Fluval FX Series canister filters are made from an extra-thick micro-fine polyester, specifically to fit Fluval Canister Filters for superior mechanical filtration The filter media captures the finest impurities, including cloud-causing particles, to restore crystal clear aquarium water Perfect for use after aquarium maintenance, water changes or whenever the water clarity drops in freshwater or marine aquariums The aquarium media enhances the overall filtration performance that works as a final polishing stage to remove remaning debris that standard foam inserts may miss Provides optimal mechanical filtration and long-lasting clarity; suitable for both freshwater and saltwater environments