Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-10X42 Damper:Opposed Damper T-Bar Modular Core Diffuser with

T-Bar Modular Core Diffuser with Round Collar 18-20

Mill finish

Spiral pipe diameter must be 4” larger than the width of the grille

2x4 * Soft White

Aluminum Airfoil Blade Grille - Horizontal Fixed Blade 907-10X42 Damper:Opposed Damper T-Bar Modular Core Diffuser withStandard 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