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Ships within 48 hours · Estimated delivery Sep 26 - Oct 1
Options * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
3 hour fire resistance rating
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)
Holds up to 1" filter
Single deflection radius mount spiral pipe grille with adjustable blades
Parallel Blade Volume Damper 3000P-70X66 past 12 months Options * Sleeve variations *h3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control
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