Parallel Blade Volume Damper 3000P-62X12 past 12 months Nylon bushings for easy adjustment

Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 12" Duct Opening (front blades parallel to shortest dimension)

Standard Features * Lightweight Aluminum vent louver * Able to withstand wet and corrosive environments * Spring clip mounting * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

Standard Features * Aluminum construction deep housing and inner concentric rings * Designed for high volume long throw applications * Adjustable air direction * Easily installed with use of strong spring clips * No screwholes offers clean appearance for wall mount * Anodized finish Options * 1204 - turbo nozzle in panel mount

Louvers will be Parallel to the First Dimension

Parallel Blade Volume Damper 3000P-62X12 past 12 months Nylon bushings for easy adjustmenth3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control