High-Velocity Multi-Louver Flush Diffuser 450-10X10 Step Down Ceiling Diffuser Installation Ring only

Installation Ring only

Double deflection radius mount spiral pipe grille with adjustable blades

Standard Features * Fixed blade return air T-Bar lay-in filter grille * Square collar for 20 1/2" x 20 1/2" duct * Hinged removable face * 20" x 20" x 1" filter (not included) * Seismic support holes * Soft White Options * 920 TFG - steel outer frame * 920 2 TFG - 2" filter spacing (filter not included) * No Labor Collar - square to round (2x2 only) * 1x2 (20x8 filter) or 2x4 (20x44 filter) * Satin Anodized Finish available on this product

UL listed and tested in accordance with UL Standard 555C

High-Velocity Multi-Louver Flush Diffuser 450-10X10 Step Down Ceiling Diffuser Installation Ring onlyStandard Features All steel galvaneal construction For evaporative cooling or high velocity exhaust applications Divided 2 way multi louver and combination shut off Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White SUBMITTAL 450 Series Submittal PERFORMANCE DATA 450 Series Engineering Performance Data