Filter Grille FG-10X18 Finish:Storm Gray 055 T6 extruded aluminum frame

055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 600 O - opposed blade damper * No Labor Collar - Square to round (square sizes only) * 600 T - T-Bar mount * 1/2" x 1/2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes

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

4-way flush step down steel diffuser

½ × ½ × ½ Aluminum lattice

Filter Grille FG-10X18 Finish:Storm Gray 055 T6 extruded aluminum frameStandard Features 1 2" spacing dual angular louvers for strength and maximum free area Stamped steel face with roll formed frame Hinged removable face with hinges parallel to longest side Hand operated lever for easy filter access and cleaning 4 way reversible door on square sizes 2 way reversible door on rectangular sizes Concealed mounting holes with mounting screws Holds up to a 1" filter (not included) with filter retention tabs (FG1) Rust