1/4" FNPT A style safety couplers are easy to use. Simply push once to stop airflow, twice to release plug. OSHA required in certain areas and applications. A style safety couplers have a 1/4" basic flow size and air flow of 36 SCFM.
Milton S99773 1/4" Fem. Safety Coupler "A"
Milton S99773 "ARO" Style Safety Coupler - Push Button 1/4" FNPT, 36 CFM
Milton 3/8 FEM PLUG G STYLE 1820
MILTON 1/4 FEM T BODY MIL784
Milton Industries 14 pc. ColorFit Set, M-style Red, 1/4"
Milton 699 1/4" Fem. Air Chuck