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Smoke Test and More Information on MA Series Diffusers
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 12" Duct Opening (front blades parallel to shortest dimension)
1/2" spacing dual angular louvers
165° replaceable fusible link
Multi-Shutter Damper standard on 6" widths and larger
Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-14X32 Finish:Designer Color - Storm Gray Smoke Test and More InformationStandard 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
