BUSY-CORNER 382 Pieces FKM O Ring Kit, Fluorocarbon 75A, 30 Inch Sizes, Chemical Resistant and Oil Resistance O-Rings for Various Chemicals, Hydraulic, Cylinders, Plumbing (Yellow Box, Brown Orings): Amazon.com: Industrial & Scientific
AS568-218 BV75 Fluorocarbon FKM O-Rings 75 Durometer Brown [BV75218] : The O -Ring Store LLC, We make getting O-Rings easy!