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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Building materials rated 3 hours or less
Mounting Holes - Designed for ceiling or sidewall application
PERFORMANCE DATA 845 Series Engineering/Performance Data
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar Additional Drawings * 825 MA
Lever operated Opposed Blade Damper
Parallel Blade Volume Damper 3000P-66X56 Specialty Products Building materials rated 3 hoursh3. 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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