The Fluval 105 External Canister Filter provides complete, multi-stage filtration for aquariums up to 100 Liters (25 U.S. gallons). The modular design allows for quick and easy maintenance while flexible filter media chambers permit maximum versatility for basic to custom filter media configurations. Fluval 05 external canister filters offer quick, trouble-free maintenance features. These include instant priming, lift-lock clamps that provide easy access to the unit and an Aqua-Stop feature that stops the water flow without the need to disconnect hoses. Backed by a 3-year guarantee.