Pipe liner for Metric PE 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. Pipe wall support - ensures the joint far exceeds the end load requirements of WRAS testing. Simple to use - slide into pipe end . Reduces ovalisation - compensates for pipe ovality and ensures a watertight joint . 0. 0. 0