Parallel Volume Damper Low Leak 3000PLL-70X38 Residential Registers & Grilles Standard Features * Stamped curved

Standard Features * Stamped curved blades * Field adjustable for positive throws and control of face velocities * Provides uniform air distribution across ceiling or walls * Eight air patterns * All component parts

Ceramic fiber blade insulation with fiberglass cover*

inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color

1x1 T-Bar (10" x 10" duct)

Standard Features * Full size fixed blade T-Bar lay-in return air grille * Fixed Blade * Square collar * For 22"x22" square duct * Soft White Options * 900 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product

Parallel Volume Damper Low Leak 3000PLL-70X38 Residential Registers & Grilles Standard Features * Stamped curvedh3. 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