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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Available in even sizes 6" to 20" and 24"
055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 600 O - opposed blade damper * No Labor Collar - Square to round (square sizes only) * 600 T - T-Bar mount * 1/2" x 1/2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes
1” rim size (2” larger than nominal duct size / order size)
Perforated Face Grille
2" ADC compliant round collar with bead for ease of installation
4 1/4" Vertical Mount Fire Damper 2633-28X28 Specialty Products Available in even sizes 6"h3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
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