Steel Blade Grille - Fixed Blade 935-18X8 Step Down Ceiling Diffuser Flush core and frame provides

Flush core and frame provides smooth surface

3 or 4 way air patterns from face * One size fits 6" thru 16" (collar by others) * Soft White

UL listed and tested in accordance with UL Standard 555C

Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension

Steel Blade Grille - Fixed Blade 935-18X8 Step Down Ceiling Diffuser Flush core and frame providesStandard Features *Surface mount return air grille * 45 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 935 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