Pay in 4 interest-free payments of $32.38 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Square collar designed for 20” × 20” duct
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 12" Duct Opening (front blades parallel to shortest dimension)
Holds up to 1" filter
850 Series Submittal
AA-HVL Series Engineering/Performance Data
3 Hour Out Of Air Fire Door Grille 2663-24X20 Step Down Ceiling Diffuser Square collar designed for 20”h3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"
US$ 292.50
US$ 292.50
US$ 292.50
US$ 292.50
US$ 495.00
US$ 292.50
US$ 405.00
US$ 29.99
US$ 275.00
US$ 22.00
US$ 25.00
US$ 20.00
US$ 25.00
US$ 25.00
US$ 345.00
