Aluminum Airfoil Blade Double Deflection Diffuser 903-48X24 Finish:Designer Color - Storm Gray For evaporative cooling or high-velocity

For evaporative cooling or high-velocity exhaust applications

Countersunk mounting holes for flush appearance

Extended sleeve (2751)

212° Fusible Link

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 8" Duct Opening  (front blades parallel to shortest dimension)

Aluminum Airfoil Blade Double Deflection Diffuser 903-48X24 Finish:Designer Color - Storm Gray For evaporative cooling or high-velocityStandard 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