24" high velocity combination air eliminator / dirt separator.

After having tried numerous other methods, the first Spirovent was installed in Carman Hall to deal with a long history of no heat calls and clogging valves.

Spirovent® remains the world class standard that others attempt to reach. Often copied but never equaled.

Install the Spirotrap® typically ahead of the system component being protected, such as the boiler in this drawing.