Refrigeration access valve Tube can be soft or hard,tube length, Different specifications available:1/4,3/16,3/ ... ,air conditioner,and auto air conditioner industries. Tube can be soft or hard,tube length, Different specifications available:1/4,3/16,3 ... ,70mm,80mm,90mm,100mm,120mm....... with check or without check,with head part or without head part Carton box with polyfoam barrier ...