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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
For evaporative coolers or central blower systems
Note: Sizes listed are the duct or opening size the grille will fit into
Designed to minimize vision into the air duct
Installation Ring only
Half-length screwdriver operated Scoop Extractor
2" Round Vertical Mount Fire Damper 2549-14 past 12 months For evaporative coolers or centralh3. Standard Features * 1 1 2 hour rated fire damper * 2549 Round damper for vertical mount only. Available 4" thru 40" round. * 2550 Round Spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 28" round. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G
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