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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Margin edges are 7/8" projection for baseboard installation
Adjustable modular cores with fixed curved blades
Standard Features * T-Bar lay-in filter grille with steel removable perforated face * 3/16" holes on 1/4" staggered centers * 20" x 20" x 1" filter (not included) * Square collar for 20 x 20 duct * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * Square to round No Labor Collar
Jamb seals (stainless steel)
Designed for use in walls
Opposed Blade Volume Damper 3000-0BD-52X24 Smoke-Fire Damper Margin edges are 7/8" projectionh3. 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.
