BELLIFFY 20stücke Aquarium Rückschlagventile Kunststoffventile Für Fischbecken Langlebig Und Zuverlässig Schützt Luftpumpe Vor Rückfluss Installieren Für Aquarien

Produktbeschreibung

Aquarium air check:protect you air pump by preventing aquarium water from back siphoning during a power outage,Fish Tank Check Valve Fish tank air check valve:for durable use,Fish Tank Check Valve Aquarium check:please use a paperclip to from input side to output side when the outlet inside gets stuck,Fish Tank Check Valve Fish tank check valve:great one way check for aquarium and fish tank,Aquarium Air Check