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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Concealed mounting holes
Standard Features 1” rim size (2” larger than nominal duct size / order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1-27/32” Wide x 11/32” High slots on staggered centers
Ceramic fiber blade installation with fiberglass cover*
Square to round 2" collar with roll formed retention bead - available in square sizes only
w/ Tool Operated Opposed Blade Damper
Opposed Blade Volume Damper 3000-0BD-22X12 Accessories Concealed mounting holesh3. 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.
US$ 64.00
US$ 113.50
US$ 448.50
US$ 60.00
US$ 157.00
