PLF-4/6/8/10/12/14/16 one-tuch fittings 
APPLICATIONS:
*One touch type connection tool for air pressure piping.
*Various uses depending on the user's environment in limited spaces.
Features:
*One action inserts the tube to release and connect easily.
*The PC type has interior and exterior hexagonal shapes for efficient piping
*The main body of the PL and PT types is a rotating structure for efficient piping.
*The screw section has O-ring, or Teflon coated