Parallel Blade Volume Damper 3000P-46X46 Residential Registers & Grilles 14" and 16" Options *

14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)

Front blades are parallel to the shortest dimension

Hinged removable door with hinges parallel to the longest dimension

All component parts

Parallel Blade Volume Damper 3000P-46X46 Residential Registers & Grilles 14" and 16" Options *h3. 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