2" 3 Hour Vertical Mount Fire Door 2561-22X22 Commercial Standard Features * Heavy guage

Standard Features * Heavy guage cold roll steel (same as 350 series) * Ideal for return air in the toe space areas between kitchen cabinets

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)

PERFORMANCE DATA 907 Series Engineering/Performance Data

T-Bar Modular Core Diffuser with Round Collar 18-20

Tamper-proof Screws

2" 3 Hour Vertical Mount Fire Door 2561-22X22 Commercial Standard Features * Heavy guageh3. 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 *