Simple hand turn of the knob instantly isolates water Install and demount in seconds without tools Safe flame-free installation, with no hot works, glue or flux Grip & Seal collet with stainless steel teeth and main O-Ring seal Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for hot and cold water (not suitable for central heating systems) Brand:JOHN GUEST SPEEDFIT LTD Manufacturer Stock Code:15ESOT EAN Code:665628051096 Width:81 mm Height:37 mm Diameter:15 mm Weight:0.043 kg Manufacturer Guarantee:1 years Sub-Category:Valves Colour:WHITE Brand:JG Speedfit Pack Size:5 Certification:WRAS Category:Fittings