SPEG 5/16-1/4 is a model of 5/16 x 1/4 inch O.D tubing stainless steel union tee reducer push to connect air fittings, T shaped body used to connect three pneumatic tubes in a simple push-pull way. Constructed of SS 316 and FKM (Viton) seal, makes it fit for high temperature and corrosive environment. 5/16 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.