The Ninja Mini Universal Compressed Air Tank Regulator Fill Nipple Valve Assembly with Back Check is a fitting used to allow air to fill a container while preventing any backflow from escaping. It acts as a one-way valve during the filling process. The Back Check Mechanism ensures that the air can only flow in one direction, preventing pressure loss from the filled tank.
Includes Fill Nipple and Back Check Strut with O-ring Seal.
