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904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 14" Duct Opening (front blades parallel to shortest dimension)
Narrow ceiling grid dimples for 9/16" T-Rails
Holds up to 1" filter
enclosed in valve to assure trouble-free operation
Heavy duty steel honeycomb construction
Aluminum Airfoil Blade Double Deflection Diffuser 903-24X20 Damper:Opposed Damper 904 - Double Deflection AdjustableStandard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension, back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4 way air flow on one plane Nylon bushings on adj. blades prevent metal on metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder
US$ 138.00
US$ 100.98
