1.one action inserts the tube release and connect easily 2.modelsincludePC,PCF,PMF,PL,PLF,NSE,PHF,PU,PV,PE,PY,PZA,PU,PG,PGJ,etc pneumatic quick fitting1. Simple and smart, kinds of models, so it meets any string pipe requirements.2. Even if installation, plastic pipe and rotate at random3. Release ring adopts pllipse design, so removing for it is more convenient.4. All TPC type directly connects ...