Pneuflex's SPB 5/16-01 is type No. of 5/16 inch tube with R, PT, BSPT 1/8 thread stainless steel male branch tee push to connect fittings, T shaped body used to connect two pneumatic tubes of 5/16" diameter to the R 1/8 female thread at a 90° angle, which also can be 360° swiveled after installation. Constructed of high grade 316 stainless steel, male branch tee stainless steel push-in air fittings are great for use in corrosive environment such as water treatment plants or other industries such as food & beverage.