EAI O'RING Seal (50PCS) ID: 18mm CS: 2.5mm ORING Gasket Seals | 18 x 2.5mm | eBay
Mesee 225 Pieces Rubber O-Ring Sealing Gasket Set, 18 Sizes Black O-Rings Seal Washer Seals Grommets Ring Assortment Kit for Car Auto Vehicle Plumbing Repair Accessory Replacement: Amazon.com: Industrial & Scientific
50pcs/lot Rubber Ring NBR Seal O-Ring 2.5mm Thickness OD7/8/9/10/11/12/13/14/15/16/17/18/19/20 X 2.5mm O-Ring Seal Gasket Tray, 2.5mm, 9x0157 x 2.5mm : Amazon.se: Tools & Home Improvement