SCHRADER STYLE QUICK CONNECT - FEMALE COUPLER - 1/4" NPT Male - MEDICAL AIR - Yellow - SCF-16-4***Please read detailed description on this item*** 25% Restocking FeeSCHRADER STYLE QUICK CONNECT - FEMALE COUPLER - 1/4" NPT Male - MEDICAL AIR - Yellow - SCF-16-4MEDICAL AIR FITTINGS ARE THE STANDARD USED IN MOST OPERATING ROOMS TO DRIVE PNEUMATIC TOOLS...EVEN THOUGH NITROGEN IS THE GAS DRIVING THE INSTRUMENT.Please reference detailed images to determine proper fitting. Sometimes you will find N2...