Fluval Self primer assembly is suitable for:-Fluval 104 External Power Filter (A200)-Fluval 204 External Power Filter (A205)-Fluval 304 External Power Filter (A210)-Fluval 404 External Power Filter (A215)-Fluval 105 External Canister Filter (A201)-Fluval 205 External Canister Filter (A206)-Fluval 305 External Canister Filter (A211)-Fluval 405 External Canister Filter (A216)