Architectural Lattice Grilles 1302-26x4 Step Down Ceiling Diffuser 055 T6 aluminum surface mount

055 T6 aluminum surface mount return air grille * 45 fixed blades parallel to shortest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 906 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 * Fractional

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

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

Stamped from cold roll steel

Lever operated Opposed Blade Damper

Architectural Lattice Grilles 1302-26x4 Step Down Ceiling Diffuser 055 T6 aluminum surface mountStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1 27 32 Wide x 11 32 High slots on staggered centers. 5 32 crossbars, with 75% free area Options 14 GA 304 SS Construction 12 GA (. 080") Aluminum Construction 1 8" GA (. 125") Aluminum Construction 12 GA Steel Construction