The Fluval Aqua-Stop is a genuine manufacturer replacement part with the top quality manufacturing you've come to expect. It features an integrated valve and ribbed-hosing attachments, is long-lasting and easy to replace when necessary.
Suitable for all of the following Fluval External Power/Canister Filter models:
-Fluval 104, 204, 304 & 404 External Power Filter (A200, A205, A210 & A215)
-Fluval 105, 205, 305 & 405 External Canister Filter (A201, A206, A211 & A216)