30X18 ND | Rectangular Damper | 30X18 ND MOTORIZED DAMPER | EWC Controls Additional Information_Internal Seat; 0.040 lb Weight 3/4 PVC V/S SPLIT FLANGE

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30X18 ND | Rectangular Damper | 30X18 ND MOTORIZED DAMPER | EWC Controls Additional Information_Internal Seat; 0.040 lb Weight 3/4 PVC V/S SPLIT FLANGEACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 30X18 ND MOTORIZED DAMPER The ND series of Ultra Zone dampers was designed with the installer and homeowners in mind. This damper is easy to install and easy to checkout. The LED display allows the installer to visually check the damper operation. With a sturdier frame, the damper installs in the duct much faster and easier