4" 3 Hour Vertical Mount Fire Door 2661-14X10 Accessories Options 14 GA 304 SS

Options 14 GA 304 SS Construction

For evaporative coolers or central blower systems

smooth style * 360 air diffusion * Excellent for variable air volume applications * Hinged-down core for easy access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)

Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only

4" 3 Hour Vertical Mount Fire Door 2661-14X10 Accessories Options 14 GA 304 SSh3. 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"