Fluval FX6 A219 Canister Filter w/Foam,Filter Pad and Polishing Pad Value pack includes the following media: Filter Foam Block, Water Polishing Pads, Fine FIlter Pads Multi-Stage Filtration produces healthy aquarium water Features Smart Pump Technology for optimal filter performance, efficiency and management Advanced motor technology provides better performance and reliability while consuming 10% less electricity Click-Fit AquaStop Valves allow fast setup and leak-proof maintenance