SPEG 08-04 is a model number of 8mm to 4mm O.D tubing stainless steel union tee reducer push in air fittings, T shaped body designed to connect pneumatic tubes of 8mm diameter at both ends and 4mm reducer tube at a 90° angle. SS union tee reducer push to connect fittings are made to be non corrosive and high resistant to aggressive environment and can be installed and removed easily.