3M™ Coupling Plug CEJN 95, 530-12-53P is for use with 3M™ Versaflo™ Supplied Air Systems V-Series.For a coupling plug designed for 3M™ Versaflo™ Supplied Air Systems V-Series, use 3M™ Coupling Plug CEJN, 530-12-53P. Our 1/4 " BSP CEJN 95 coupling plug has a male thread and is CE approved.