Maid O Mist 1/8" Straight Steam Vent. It has a venting capacity equal to 4 ordinary air valves. This self-adjusting thermostatic control ensures even heat distribution, reduces radiator noise, and cuts fuel consumption. The float prevents water escape, lowering operating costs. Vertical mounting.

• 1/8 in. Straight Steam Vent.
• Venting capacity equal to 4 ordinary air valves.
• Used on radiators near boiler and in warm rooms, second floor radiators for example.