Fluval FX AquaStop Valve
The Fluval FX AquaStop Valve is a part of the FX Series Canister Filters, which are high-performance filters for aquariums. The AquaStop Valve allows you to stop the water flow from the filter without disconnecting the hoses, making it easier to perform maintenance or water changes. It also comes with 2-piece O-Ring and is suitable for Fluval FX5 and FX6 High Performance Filters.