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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets
Maintains horizontal airflow pattern
904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)
3/16” holes on 1/4” staggered centers
AA-HVL Series Engineering/Performance Data
Opposed Blade Volume Damper 3000-0BD-26X26 Specialty Products Standard Features * Heavy guageh3. 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.
