Modular Core Diffuser MA-18X18 Commercial One piece stamped steel frame

One piece stamped steel frame on most common sizes

back blades parallel to longest dimension

Standard Features *Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Double deflection diffuser * Front blades parallel to shortest dimension * Back blades parallel to longest dimension * All blades adjustable allowing 4-way flow adjustment * Soft White Options * 934 O - with recessed screwdriver operated opposed blade damper * 1333 and 1334 Series - stainless steel double deflection * Tamper proof screws * Standard Color or Design Color Finish available on this product

22 gauge galvanized steel roll formed frame

904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)

Modular Core Diffuser MA-18X18 Commercial One piece stamped steel frameStandard Features * Modular core ceiling diffuser * Modular core has galvaneal steel blades in . 055 T6 extruded aluminum frame * Movable cores provide multiple fixed blade air patterns * Square collar * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * MA O recessed screwdriver operated opposed blade damper * Square to round No Labor Collar * 700 MA and MA T T Bar mount * 1320 Series