Impeller Well insert is suitable for:

-Fluval 304 External Power Filter (A210)

-Fluval 404 External Power Filter (A215)

-Fluval 305 External Canister Filter (A211)

-Fluval 405 External Canister Filter (A216)

-Fluval 106 Canister Filter (A202)

-Fluval 206 Canister Filter (A207)

-Fluval 306 Canister Filter (A212)

-Fluval 406 Canister Filter (A217)