Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-16X4 Step Down Ceiling Diffuser Holds up to a 1"

Holds up to a 1" filter (not included) with filter retention tabs (FG1)

Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2

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

Fan shaped 1/2" spaced louvers

Aluminum Airfoil Blade Grille - Vertical Fixed Blade 908-16X4 Step Down Ceiling Diffuser Holds up to a 1"Standard 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