1000 most needed o-rings, made from nitrile, oxygencompatible-They come in 18 most common sizes:
1,42 x 1,78, 2.90 x 1.78. 3.68 x 1.78, 4.48 x 1.78, 5.28 x 1.78, 6.07 x 1.78, 7.66 x 1.78, 9.25 x 1.78, 10.28 x 1.78, 10 x 2mm, 12.42 x 1.78, 4.50 x 2.62, 11.00 x 2.62, 17.13 x 2.62, 23.5 x 2.62, 25.0 x 2.62, 25.0 x 3.53, 12.00 x 2.62