055 T6 aluminum surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 907 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
Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 12" Duct Opening (front blades parallel to shortest dimension)
2-way register with stiffened 1/2" fan-shaped louvers for silent operation
904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)
T-Bar Adjustable Curved Blade 700CB40-18X18-18 Finish:White 055 T6 aluminum surface mountStandard Features * Individually adjustable curved blade T Bar diffuser * Core is constructed of . 055 T6 extruded aluminum * Five air patterns: 700 CB10 one way, 700 CB20 two way, 700 CB20C corner, 700 CB30 three way, 700 CB40 four way * 6x6 thru 20x20 diffuser sizes * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700 CB40 0 opposed blade damper * 700CB FR U. L. listed Fire Resistance