20x2.6 Oring 20mm Id X 2.6mm Cs Vmq Silicone O Ring O-ring Sealing Rubber - Oil Seals & Other Seals - AliExpress
Кольцо O-ring 20x2.5 NBR90
20 Piece o-Ring 20x2 0 25/32x0 3/32in Cord Thickness NBR 70 Gasket Ring Zero | eBay
O-ring Ø 20x2,2 mm, NBR.
JUN-STORE O-Rings CS2.65mm 100PCS Silicone O Ring ID 14/15/16/17/18/19/20x2.65mm O-Ring VMQ Gasket Seal Thickness 2.65mm White Red Rubber ORing SENMIAO-TH (Size : ID16x2.65mm Red)