915 - FIXED 45° BLADE GRILLE 915-48X10 Damper:Opposed Damper Diffuser available in sizes 6×6

Diffuser available in sizes 6×6 through 20×20

Mill finish

Filter retention tabs

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

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

915 - FIXED 45° BLADE GRILLE 915-48X10 Damper:Opposed Damper Diffuser available in sizes 6×6Standard Features Extruded aluminum surface mount frame with signature line marks Extruded aluminum fixed bar blades at 45 Blades are parallel to the longest dimension Designed to minimize vision into the air duct Center margins are mounted on the backside of the grille for a streamlined continuous look Countersunk mounting holes with color matching Phillips Pozidriv screws Rust resistant pre coat with durable powder finish Soft White Options Recessed