Push in fitting with PT & NPT(PT- male branch tee fitting) Thread: Inch thread, Metric thread, NPT, PT, BSPP ... , Pneumatic Connectors, Quick Couplers, Speed Controllers, Compact One Touch Fittings,pipe fittings,pipe fitting, Hand Valves,Silencers & Mufflers, Nickel Plated Brass Fittings ... metric sizes. Push in fitting with PT & NPT(PT-male branch tee fitting)