Welded Reinforced Heavy Duty Floor Grille 1600-R-20X28 Finish:Designer Color - Storm Gray Standard Features * 1/2" spacing

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SPFG-4 - holds 4" deep air filter * Standard Color

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

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

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

Blades run parallel to longest dimension

Welded Reinforced Heavy Duty Floor Grille 1600-R-20X28 Finish:Designer Color - Storm Gray Standard Features * 1/2" spacingStandard 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