Welded Reinforced Heavy Duty Floor Grille 1600-R-20X28 Finish:Designer Color - Storm Gray NGD - Narrow ceiling grid

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

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

1600 Series Engineering/Performance Data

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

Individually welded 14 guage diffusion bars

Welded Reinforced Heavy Duty Floor Grille 1600-R-20X28 Finish:Designer Color - Storm Gray NGD - Narrow ceiling gridStandard 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