Adaptor Compression Female 40x1 1/2. Compression Fittings Suitable For Hd Polyethylene Pipe. Outer Dimensions Comply With Iso Standards From 16mm To 110mm. A Rubber O Ring Ensures A Perfect Seal And Complete Water Tightness Even With Bent Pipes. Performs Well In High Pressure Applications With A 16 Bar Resistance Exceeding All Standard Pull Out Requirements. Features A Universal Connection On One Side Compatible With Galvanized Pvc (Imperial And Metric) Hdpe Pipes. These Durable Corrosion Resistant Fittings Offer Reliable Long Lasting Performance For Irrigation And Industrial Systems Ensuring Secure Connections In Demanding Environments.