uxcell Silicone O-Rings, 3mm OD 1mm ID 1mm Width VMQ Seal Gasket for Compressor Valves Pipe Repair, White, Pack of 10: Amazon.com: Industrial & Scientific
uxcell Fluorine Rubber O-Rings, 6mm OD 3mm ID 1.5mm Width FKM Seal Gasket for Machinery Plumbing, Green, Pack of 30 - - Amazon.com