Air Vent; Type Automatic, High Discharge; Inlet Size 1/2 Inch; Inlet Connection Male Threaded; Body Material Brass; Temperature Rating 250 Deg F; Pressure Rating 150 PSI; Media Handled Air; Inclusions/Features Polypropylene Float, EPDM Seal; Application Manifold/Pipe in Sealed Heating System and Radiator; Maximum Discharge Pressure Rating 60 PSI; Maximum Discharge Air Flow Rating 2.5 SCFM