The Plasson 7950 Pipe Liner 25 mm (PL079500025) is a WRAS-approved MDPE liner insert designed to strengthen the end of Metric PE pipe for a watertight seal. Rated to 16 bar, it prevents pipe ovality, delivers pressure integrity, and simplifies installation with minimal tools. Ideal for potable water systems, mains connections and domestic plumbing where durability and regulatory compliance matter.