2 extra O-Rings provide enhanced sealing Maintains structural integrity of the pipe connection Helps make the pipe more rigid when a side load is applied Suitable for hot and cold water and central heating systems Suitable for Speedfit pipes and fittings only Brand: JOHN GUEST SPEEDFIT LTD Manufacturer Stock Code: STS10 EAN Code: 665628057876 Width: 22 mm Height: 10 mm Diameter: 10 mm Weight: 0.0007 kg Manufacturer Guarantee: 25 years Sub-Category: Pipe Inserts and Liners Colour: WHITE Brand: JG Speedfit Pack Size: 50 Certification: WRAS Category: Fittings