O-ring For Mechanical Seals Use (material: Vit/nbr/epdm) 40/45/50/55mm 15.8*3.1mm O-rings |spare Parts For Mechanical Seals - Oil Seals & Other Seals - AliExpress
2-152/V7-3-1/4'' X 3-7/16'' X 3/32'' Viton O-Ring (4 Pack): Amazon.com: Industrial & Scientific
Viton FKM AN5 O'ring (17.17mm x 1.78mm)80 - DIVEAVENUE