Fluval 407 External Canister Filter

407 Performance Canister Filter, up to 100 US Gal (500 L). As the world’s best-selling performance canister filter, the 7th generation 07 series features Fluval’s eTEC (Efficient Technology) state-of-the-art materials and design refinements which make them ultra-quiet, powerful, energy efficient and user friendly for aquariums.