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91 Series Submittal
955 Series Engineering/Performance Data
Standard Features * Individually adjustable curved blade T-Bar diffuser * Core is constructed of
Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system
2" 3 Hour Vertical Mount Fire Door 2561-16X16 past 12 months 91 Series Submittalh3. Standard Features * 2561 Square or rectangular fire door for vertical mount only. Maximum dimension 48w, 49h. For damper free area chart A click here * 2563 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. For damper free area chart B click here * 2565 Round fire door for vertical mount only. Available 4" thru 40" round. * UL and California State Fire Marshall approved * 2" thinline frame *
