Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-16X14 Damper:Opposed Damper 904 - Double Deflection Adjustable

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

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 10" Duct Opening (front blades parallel to shortest dimension)

Lever operated Multi-Shutter Damper

For evaporative coolers or central blower systems

Fixed bars with 0° deflection

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-16X14 Damper:Opposed Damper 904 - Double Deflection AdjustableStandard Features Surface mount fixed blade grille with airfoil blades at 0 Blades are parallel to the longest dimension Blades spaced at 2 3" Extruded aluminum surface mount frame with signature line marks Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White Options Recessed screwdriver operated Opposed Blade Damper 2" ADC compliant round collar with bead for ease of