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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"
enclosed in valve to assure trouble-free operation
Non-standard size collar (available in 6" through 20")
1 1/2 hour fire resistance rating
2 position adjustment for heating and cooling seasons
4 1/4" Vertical Mount Fire Damper 2633-52X52 Commercial Standard Features * Individually adjustableh3. 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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