19x2.5 Oring 19mm Id X 2.5mm Cs Nbr Nitrile Acrylonitrile Butadiene Irhd 90 Black O-ring Oring Sealing O Ring Rubber - Oil Seals & Other Seals - AliExpress
O-Ring 19x2
O-ring 19x2,5 NBR70
30pcs 18x2 18*2 19x2 19*2 20x2 20*2 (od*thickness) 2mm Green Fluoro Fkm Fluorine Rubber O Ring Washer O-ring Oil Seal Gasket - Gaskets - AliExpress