The S-44 Heavy Duty Opposed Blade Damper is used for high volume air applications. Nylon fittings are used to securely hold the blades in place and to keep them from rattling. The damper is of all welded construction and typically welded to the back of one of our supply grilles.
S-44 Heavy Duty Opposed Blade Damper was last modified: June 13th, 2022 by