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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
PERFORMANCE DATA 907 Series Engineering/Performance Data
One-piece removable slide damper for off-season closure
Standard Features * Single plaque ceiling diffuser * 360 air diffusion * Hinged-down core for easy duct access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 24" Duct Opening (front blades parallel to shortest dimension)
Tamper-proof Screws
2" Round Horizontal/Vertical Mount Fire Damper 2550-22 Smoke-Fire Damper PERFORMANCE DATA 907 Series Engineering/PerformanceStandard Features Spring actuated curtain type fire damper with 2 1 4" round connection for horizontal or vertical mount 2" thin line roll formed out of airstream frame Designed for use in walls, floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application, see 2700 series) UL listed and tested in accordance with UL Standard 555 1 1 2 hour fire resistance rating Building materials rated 2 hours or less CSFM California
