Amazon.com: YINGJUN CS3.55mm Silicone O Ring ID 30/30.5/31.5/32.5/33.53.55 mm 50PCS O-Ring VMQ Gasket Seal Thickness 3.55mm White Red Rubber ORing Ring Gasket (Size : ID34.5x3.55mm White) : Industrial & Scientific
uxcell PTFE Flat Washers 12mm OD 8mm ID 2mm Thickness Sealing Gasket for Faucet Pipe Water Hose, White, Pack of 20: Amazon.com: Industrial & Scientific