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1/2" spacing dual angular louvers for strength and maximum free area
Fixed bars with 0° deflection
For evaporative cooling or high velocity exhaust applications
sizes T-20 Tamper Proof Screws SUBMITTAL 903 Series Submittal PERFORMANCE DATA 903 Series Engineering/Performance Data REVIT FILES Surface Mount Aluminum Supply Diffuser Double Deflection front Long with Damper Surface Mount Aluminum Supply Diffuser Double Deflection front Long
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
4" 3 Hour Vertical Mount Fire Door 2665-18 T-Bar 1/2" spacing dual angular louversh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
