
Amazon.uk: 40mm rubber washer
sourcing map Nitrile Rubber O-Rings 40mm OD 33.8mm ID 3.1mm Width, Metric Sealing Gasket, Pack of 10 24 Pieces Rubber Hose Washer Tap Sealing Rings Hose Rubber Shower Hose Washers Tap Connector Washers for Connecting, 1/2 Inch, 3/4 Inch, 30 mm (1.18 Inch) OD 20 mm (0.8 Inch) ID, Black. 4.6 out of 5 stars 7.