Hoffman 401419 Angle Steam Air Vent 1/8" x 1/4" Steel 25PSI Application: Thermostatic Vent Size: 1/8" x 1/4" Type: No Float System Type: Steam Max Pressure: 25 psig Max Operating Pressure: 25 psig Mount: Angle Adjustability: Non-Adjustable Material: Steel Thread Type: Male X Female Temperature Range (F): 140°F - 240°F