Steel Blade Grille - Horizontal Fixed Blade 938-30X10 T-Bar Multi-Shutter Damper standard on 6"

Multi-Shutter Damper standard on 6" widths and larger

Airfoil blades individually adjustable on 3/4" centers

blades prevent metal on metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust-resistant pre-coat with durable powder finish Soft White Options Screwdriver operated Opposed Blade Damper 2" ADC compliant square to round collar with a bead for ease of installation Heavy Duty Construction MRI Compatible Insect Screen Fractional

Standard Features *Surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 936 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws

Performance Data With Opposed Blade Damper

Steel Blade Grille - Horizontal Fixed Blade 938-30X10 T-Bar Multi-Shutter Damper standard on 6"Standard Features *Surface mount return air grille * 0 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 938 O recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T T Bar mount * 905 HD reinforced construction * 905 IS insect screen * 1335 1338 Series stainless steel version * Tamper proof screws