Every O-Ring manufactured is built to stringent ASTM, Mil-Spec, FDA or Customer Specifications... using only the best U.S. raw materials from Dupont-Dow Elastomers, 3M, Dow Corning, GE, Bayer-Polysar, Exxon, Toshiba, B.F. Goodrich and other leading suppliers.

Cylinder Siphon Tubes are cut to length and assembled from 3/8" Type "K" or "L" Copper Tubing coupled with a ¼" MNPT brass compression fitting which connects easily to the inlet of the cylinder valve.