One Way Backflow Preventer Check Valves Type:1# Female to male (brass silver) 3× Detachable Steel Pipes +

3× Detachable Steel Pipes + 1× Microfiber Mop Head

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One Way Backflow Preventer Check Valves Type:1# Female to male (brass silver) 3× Detachable Steel Pipes +Prevent medium in the pipeline without backflow One way check valve to prevent medium in the pipeline without backflow. It can be used to transmit gas and liquids under constant pressure. Vertical or horizontal levels can be used. High Quality Made in brass, small volume, small noise, convenient installation, anticorrosion and durable, long service life, reliable sealing, low magnetic permeability. Suitable for a Variety of Environments Suitable for