Description
Non
Return Valve for Air Hose 4/6 mm. Indispensable for the operation of diaphragm pumps, air-driven internal filters, etc.. The check valve protects your pump from returning water in case of power failure or defect of the device. Suitable for all aerator pumps with 4 mm hose connection. Also suitable for piezo air pumps. Not suitable for CO2.
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