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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Nylon bushings on adjustable blades to prevent metal on metal rattle
Maximum size 60"x48"
Extended sleeve (2751)
*Pricing is based on standard 14 GA steel construction
Building materials rated 3 hours or less
Parallel Blade Volume Damper 3000P-40X34 Smoke-Fire Damper Nylon bushings on adjustable bladesh3. 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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