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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
3/16” holes on 1/4” staggered centers Extruded aluminum frame with signature line marks Perforated material 58% free area Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws Rust resistant pre-coat with durable powder finish Soft White
2750 Install Instructions
4-way flush step down steel diffuser
Available in 4" through 29" round
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 10" Duct Opening (front blades parallel to shortest dimension)
3 Hour Out Of Air Fire Door Grille 2663-48X32 Commercial 3/16” holes on 1/4” staggeredh3. 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"
