Fluval FX Lid Fastener
The Fluval FX Lid Fastener is a replacement part for the Fluval FX Series Canister Filters, which are high-performance filters for aquariums. The lid fastener helps to secure the top cover of the filter and prevent water leakage. The lid fastener is compatible with the Fluval FX4, FX5, and FX6 models (A214, A218, A219)