- Red 1/4" x 3/16" (Automotive)
The Mastercool 90389 is a 90° Manual Shut-Off Valve w/Red Hose 1/4" x 3/16" (hose end). Needle valve design with flexible hose controls refrigerant with a quarter turn of the valve handle. Meets SAE, EPA and UL requirements for containment of refrigerant. Screws onto charging hose end.