The Fluval AquaStop Valve incorporates an integral water shut off and is suitable for the whole Fluval 07 range of External Aquarium Filters. A20062 Fluval 107/207/307/407 Aquastop Valve is suitable for: Fluval 107 External Filter [A440] Fluval 207 External Filter [A443] Fluval 307 External Filter [A446] Fluval 407 External Filter [A449].
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