Maid O'Mist 1/8" Auto Float Vent, designed for convector radiators, baseboard radiation, and radiant panels. This compact vent features a vertical mounting 1/8" I.P. male connection and can withstand up to 50 lbs of pressure. Measuring 3-3/4"x9/16", it comes in a bright brass finish. Suitable for limited spaces and trouble spots, this hot water float vent ensures efficient venting.