Opposed Blade Volume Damper 3000-0BD-70X48 Accessories 14" and 16" * Soft

14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) * FTD - Fixed T-Bar Diffuser (6"

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 30" Duct Opening (front blades parallel to shortest dimension)

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 12" Duct Opening (front blades parallel to shortest dimension)

Available in 4" through 29" round

Standard Features * T-Bar lay-in panel with hinged perforated face * Galvaneal steel 2x2 panel with seismic hangers * Spring push release for removal of perforated face * Round No Labor Collar sizes: 6-10"

Opposed Blade Volume Damper 3000-0BD-70X48 Accessories 14" and 16" * Softh3. 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.