In-Line Non-Return Check Valve - 1In-line non-return valve. Connections for 25mm (1") bore hose.Features:Connections: - for 25mm (1") bore hoseDimensions: - 108mm long, 55mm wide, 50mm high (in-line configuration)Aids pump priming, prevents backflow from pump into bilgeFits into pump suction lineRobust plastic construction with nitrile rubber valveAdjustable port configuration for convenient hose angleActual Weight: 0.11 Kg (Approx. 0.31 Kg packed)WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.