18mm ID x 2.5mm C/S Viton O Ring. Choose Quantity. 18x2.5. New. Metric. | eBay
KEZE 1200 Pcs 24 Size Universal Rubber O-Ring Assortment Kit with 4-Piece Pick and Hook Set for Auto Vehicle Faucet Plumbing Pressure Washer Air or Gas Sealing Repair OD:6mm-28mm Oring: Amazon.com: Tools
18X2.5 ORING V75 BLACK
Amazon.com: Rubber Gasket, 279pcs Kit 18 Sizes Rubber O Ring Assortment Set Hydraulic Plumbing Gaskets Seal Kit : Industrial & Scientific
O-ring 18x2.5 | Kubicek Balloons
O-ring 18x2,5 NBR70
O-ring 18x2.5 FKM O-Rings - 75 Shore A - BrownFKM - FPM - Viton Brown