907 Series Aluminum Airfoil Blade Grille - Horizontal Fixed Blade

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 installation (square sizes only)
Heavy Duty Construction (1 1/2" frame depth utilized)
MRI Compatible
Insect Screen
Fractional, exact I.D. and O.D. sizes
T-20 Tamper Proof Screws