Metric Buna O-rings 70 x 4mm Minimum 5 pcs - OringsandMore
70X6 Oring 70mm ID X 6mm CS FKM FPM Fluorocarbon O ring O-ring Sealing Rubber
Nitrile Rubber O Ring 70mm OD 2.5mm Width Round Sealing Washer Sealing Gasket Ring Faucet O-Ring Black Pack of 50: Amazon.com: Tools & Home Improvement