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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
3% maximum leakage with a pressure differential 3" W
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 14" Duct Opening(front blades parallel to shortest dimension)
Blades parallel to shortest dimension
4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation
Parallel Blade Volume Damper 3000P-68X62 past 12 months 3% maximum leakage with ah3. 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
