Enhances sealing for a securer connection Maintains structural integrity of the pipe connection Compatible with MDPE pipe Suitable for cold water use only Brand:JOHN GUEST SPEEDFIT LTD Manufacturer Stock Code:UTS197-DB Length:50 mm Diameter:25 mm Weight:0.006 kg Manufacturer Guarantee:1 years Sub-Category:Pipe Inserts and Liners Colour:BLUE Brand:JG Speedfit Pack Size:10 Certification:WRAS Category:MDPE Fittings