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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
Sterling Seal ORTESI041X50 041 Teflon Encapsulated G35 O-Ring, Silicone FEP/TFE (Pack of 50): Amazon.com: Industrial & Scientific
Amazon.com: DERNORD PTFE (Teflon) Tri-Clamp Gasket O-Ring - 3 Inch Style Fits OD 91MM Sanitary Pipe Weld Ferrule (Pack of 1) : Industrial & Scientific
116 Silicone O-Ring, 70A Durometer, Red, 3/4" ID, 15/16" OD, 3/32" Width (Pack of 100): O Ring Seals: Amazon.com: Industrial & Scientific
003 PTFE O-Ring, 55D Durometer, White, 1/16" ID, 3/16" OD, 1/16" Width (Pack of 10): O Ring Seals: Amazon.com: Industrial & Scientific
Amazon.com: DERNORD Silicone Gasket Tri-Clover (Tri-clamp) O-Ring - 3 Inch (Pack of 5) : Industrial & Scientific