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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
57% free area * 1307: 13/16" lattice opening
2-way register with stiffened 1/2" fan-shaped louvers for silent operation
3 hour fire resistance rating
Standard Features * Fixed bar blades parallel to 1st dimension given *
linkage and handle enclosed in valve to assure trouble-free operation * Soft White Options * 955 O - steel opposed blade damper * Tamper proof screws * Standard Color or Designer Color Finish available on this product
Parallel Blade Volume Damper 3000P-66X52 Accessories 57% free area * 1307: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
