Universal slip coupling slides easily onto most pipe material to enable repairs or transition from old to new water supply pipe. The Plasson range of fittings provide a reliable and durable way of jointing water supply pipes, requiring no special tools to use effectively. WRAS Approved Product - will be accepted by water companies as suitable for drinking water systems. Simple to use - insert pipes so the ends are central in the fitting body and tighten the nuts . Flexible solution - connects Metric PE, Copper, Lead, Galvanised Iron, Imperial PE or PVC within a wide tolerance range. Long service life - designed to last in use for over 50 years. Made of virgin Polypropylene - incredibly durable. Slip repair design - can repair pipes of the same type or connect different types. PN16 pressure rated