916 - Fixed 45° Blade Grille-8X10 Damper:Opposed Damper Standard Features * Galvanized steel

Standard Features * Galvanized steel panel * Square hole: 6" thru 22" sizes * Seismic support holes * 2x2 * Soft White Options * 1x2

Countersunk mounting holes for flush appearance with color matching screws

Modern step-down design with 4-way air diffusion

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 14" Duct Opening (front blades parallel to shortest dimension)

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SPFG-4 - holds 4" deep air filter * Standard Color

916 - Fixed 45° Blade Grille-8X10 Damper:Opposed Damper Standard Features * Galvanized steelStandard Features Extruded aluminum surface mount frame with signature line marks Extruded aluminum fixed bar blades at 45 Blades are parallel to the longest dimension Designed to minimize vision into the air duct Center margins are mounted on the backside of the grille for a streamlined continuous look Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White Options Recessed