Pay in 4 interest-free payments of $74.50 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Free area equals more than 75% of nominal size
904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)
Dampers above 80 square inches free area will be provided with blade insulation
Options (must specify when ordering)
4" 3 Hour Vertical Mount Fire Door 2661-40X52 past 12 months Free area equals more thanh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
US$ 75.00
US$ 12.00
US$ 149.50
