1.simple and smart ,kinds of models,so it meeets any string pipe requirments. 2.Even if installation,plastic pipe can rotate at random 3.Release ring adopts pllipse design,so removing for it is more convenient. 4.All taper pipe threads paints Teflon leakage-proof rubber,so real property is good 5.All TPC type directly connects hexagonal stocket hole of grading belt,so it is convenient to install in the narrow. 6.operating pressure (0~1.0Mpa) Operating temperature range (0-60`C) Tube material:PU/NYLON