1/4" Female national pipe thread. Air flow of 68 standard cubic feet per minute. 3/8" Basic flow size.
Milton Industries 1/4" Female Coupler M Style-Milton Brand
Milton Industries 1/4" Female Body L-Style
Milton Industries 1/4" Female Coupler P-Style
Milton Industries 3-Way 1/4" Female Body "A, M & T"
Milton Industries 1/4-inch Female Coupler P-Style
Milton Industries 1/4" Female Body H-Style