Welded Reinforced Heavy Duty Floor Grille 1600-R-20X28 Finish:Designer Color - Storm Gray Standard Features * Step-down design

Standard Features * Step-down design with four-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Step-down feature allows for uniform airflow distribution * Soft White Options * 100 - diffuser only (no damper) * 100 D - diffuser with steel multi-shutter damper * 100 O - diffuser with steel opposed blade damper * No Labor Collar - Square to round * Tamper proof screws * Standard Color

NGD - Narrow ceiling grid dimples for 9/16" T-Rails

listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar

Standard Features * Field installable butterfly damper * Available in sizes 6

Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice return air grille * Surface mount grille with

Welded Reinforced Heavy Duty Floor Grille 1600-R-20X28 Finish:Designer Color - Storm Gray Standard Features * Step-down designStandard Features * Steel honeycomb construction * Flush core and frame provides smooth surface * Free area equals more than 75% of nominal size * Driftwood Tan Options * Mounting holes for sidewall and ceiling application * 1600R reinforced welded core and extra supports for heavy duty application * Standard Color, Designer Color, Plated Metal or Wood Finish available on this product