Opposed Blade Volume Damper 3000-0BD-44X30 Specialty Products Standard Features * Cones are

Standard Features * Cones are one-piece stamped construction providing a clean

57% free area * 1307: 13/16" lattice opening

Margin edges are 7/8" projection for baseboard installation

104 D FR - U

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)

Opposed Blade Volume Damper 3000-0BD-44X30 Specialty Products Standard Features * Cones areh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.