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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
accepts 6"-16" collar (collar by others)
Standard Features * 2649 - Round damper for vertical mount only
2" ADC compliant round collar with bead for ease of installation (square sizes only)
Building materials rated 3 hours or less
Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
Parallel Blade Volume Damper 3000P-72X36 Specialty Products accepts 6"-16" collar (collar byh3. 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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