SPEG 3/8-1/4 model is 3/8x 1/4 inch O.D tubing stainless steel union tee reducer push to connect air fittings, T shaped body with three connectors of different diameter size, used to connect two pneumatic tubes of 3/8" O.D and a reducer tube of 1/4" diameter at a 90° angle. Constructed of SS 316 and FKM (Viton) seal, makes it fit for high temperature and corrosive environment. 3/8 x 1/4 stainless steel union tee reducer push-in tube fittings can hold a variety of tubing material including nylon, PA, PE, Teflon and can transfer air, water, oil and weak corrosive fluids.