FlexFit Hose - Flexible Hose & Tubing | Metal & Industrial Hose. FlexFit Hose is a manufacturer & supplier of PTFE flexible hose assembly, stainless steel, corrugated and braided hose, Teflon and flexible metal hose, fittings, nut, and ferrule. We provide high-pressure, oxygen and chemical hose for industrial, process and automation applications.