44mm x 4mm (52mm OD) Nitrile O-Rings | Totally Seals
RS PRO | RS PRO Nitrile Rubber O-Ring, 44mm Bore, 50mm Outer Diameter | 196-5053 | RS Components
44X2.5 Oring 44mm ID X 2.5mm CS EP EPM EPDM Ethylene Propylene IRHD 70 Black O ring Oring Sealing O ring Rubber|rubber back|rubber innerrubber swimwear - AliExpress