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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
3/4” Wide x 3/4” High square holes
Standard Features * 1 1/2 hour rated fire damper * 2549 - Round damper for vertical mount only
Standard Features * 2x2 panel with fixed 22 gauge steel perforated face * 7/8" fiberglass back (R4 value) * Pattern controllers can be adjusted to 1
Allows for 4-way airflow adjustment
Product sizes available to fit spiral pipe diameters 8” – 48
Parallel Blade Volume Damper 3000P-72X66 Accessories 3/4” Wide x 3/4” Highh3. 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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