COSMEVIVI 20 Stück Rückschlagventile Für Aquarien Einweg Luftpumpenventile Aus Kunststoff Schwarz Optimaler Schutz Gegen Rückfluss Aquarien Und Teichen

Produktbeschreibung

Fish tank check valve--for durable long-lasting use,Fish Tank Air Check Valve Fish tank air check valve--great one way check for aquarium and fish tank,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 Air Check Valve Aquarium air check--protect you air pump by preventing aquarium water from back siphoning during a power outage,Fish Tank Air Check Valve