Parts Canister/Fluval. Fluval Exhaust Stem Plug. Plugs the end of the Fluval Exhaust Stem, allowing water through the small holes, creating a spray bar effect.
Parts Canister/Fluval. Fluval Exhaust Stem Plug. Plugs the end of the Fluval Exhaust Stem, allowing water through the small holes, creating a spray bar effect.