Stamped Curved Blade T-Bar 104-18 Damper:without Damper 055 T6 aluminum surface mount

055 T6 aluminum surface mount return air grille * 45 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 905 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 48" x 8" Duct Opening  (front blades parallel to shortest dimension)

2x4 * Soft White

Standard Features * Return air T-Bar lay-in filter grille for 20" x 20" duct * Removable louvered 20 gauge steel face * 20" x 20" x 1" filter (not included) * Square collar (20x20) * 2x2 panel * Seismic support holes * Soft White Options * Square to round No Labor Collar

Stamped Curved Blade T-Bar 104-18 Damper:without Damper 055 T6 aluminum surface mountStandard Features * Stamped 22 gauge steel curved blade T Bar lay in supply diffuser * Field adjustable * Five air patterns: 101 one way, 102 two way, 102C corner, 103 three way, 104 four way * 2x2 galvaneal steel panel with seismic support holes * Square to round No Labor Collar * Soft White Options * 104 D steel multi shutter damper * 104 O steel opposed blade damper * 104 FR, 104 O FR, 104 D FR U. L. listed Fire Resistance Diffusers * TVB Thermal