
Sealed Continuous Rod Volume Damper
- Stamped blade assures unequal stiffness and rigidity
- Pre-assembled with anti-corrosive aluminum rod
- SMACNA verified product
- Proprietary Neoprene bulb gasket ensures a tight seal and eliminates memory set and degradation
- Patented Product: US PATENT 8,146,887
- Made in the U.S.A.