Aluminum Airfoil Blade Double Deflection Diffuser 904-20X8 Finish:Aluminum Paint For evaporative coolers or central

For evaporative coolers or central blower systems

Accessory to the 90 Series

Building materials rated 3 hours or less

212° Fusible Link

Aluminum Airfoil Blade Double Deflection Diffuser 904-20X8 Finish:Aluminum Paint For evaporative coolers or central904 Double Deflection Adjustable Aluminum Blade Grille For a 20" x 8" Duct Opening (front blades parallel to shortest dimension) Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to shortest dimension, back blades parallel to longest 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