20 X Hose pipe connector seals O rings (EPDM) pack of Hozelock Gardena | eBay
Boss, Face, and Flange O-Rings | Global O-Ring and Seal
30 Pieces Replacement O-Rings Sealing Ring and Garden Hose Washers for 3/8 inch Quick Connector 3/4 inch Standard Garden Hose : Amazon.co.uk: DIY & Tools