High-Velocity Multi-Louver Flush Diffuser 450-6X6 Step Down Ceiling Diffuser Standard Features * T-Bar lay-in

Standard Features * T-Bar lay-in filter grille with steel removable perforated face * 3/16" holes on 1/4" staggered centers * 20" x 20" x 1" filter (not included) * Square collar for 20 x 20 duct * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * Square to round No Labor Collar

blades prevent metal on metal rattle

Standard Features * Full size fixed blade T-Bar lay-in return air grille * Fixed Blade * Square collar * For 22"x22" square duct * Soft White Options * 900 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product

14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U

Designer Color or Plated Metal Finish available on this product

High-Velocity Multi-Louver Flush Diffuser 450-6X6 Step Down Ceiling Diffuser Standard Features * T-Bar lay-inStandard Features * For evaporative cooling or high velocity exhaust applications with divided 2 way multi louver and combination shut off * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White