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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Hand operated lever for easy filter access
1/4” Wide x 1-27/32” High slots
Narrow ceiling grid dimples for 9/16" T-Rails
PERFORMANCE DATA 907 Series Engineering/Performance Data
SD34 Series Performance Data
2" Round Horizontal/Vertical Mount Fire Damper 2550-26 Step Down Ceiling Diffuser Hand operated lever for easyStandard 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
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