Milton Industries 763 3/8" FNPT HIGHFLOWPRO™ V-Style/European Interchange Brass Air Plug Fitting (High Volume Low Pressure Application) -Box of 10;

3/8" FNPT high flow V style brass plugs are used in applications that require high volume, low pressure. With a 1/4" basic flow size, V style plugs come with a maximum pressure of 300 PSI and 74 SCFM.