Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-20X44 Damper:without Damper 700MA Series Engineering/Performance Data

700MA Series Engineering/Performance Data

Opposed Blade Damper standard on 4" widths

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

Hand operated lever for easy filter access

Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-20X44 Damper:without Damper 700MA Series Engineering/Performance DataStandard Features * Extruded . 055 T6 aluminum 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 * 908 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