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:UTS147-DB Length:50 mm Diameter:20 mm Weight:0.0036 kg Manufacturer Guarantee:1 years Sub-Category:Pipe Inserts and Liners Colour:BLUE Brand:JG Speedfit Pack Size:10 Certification:WRAS Category:MDPE Fittings