Baseboard Return Air Grille 1100-48X8 Step Down Ceiling Diffuser Standard Features * 2x2 panel

Standard Features * 2x2 panel with fixed 22 gauge steel perforated face * 7/8" fiberglass back (R4 value) * Pattern controllers can be adjusted to 1

For evaporative cooling or high-velocity exhaust applications

2x4 T-Bar (20" x 44" duct)

Standard Features * Single plaque ceiling diffuser * 360 air diffusion * Hinged-down core for easy duct access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

Baseboard Return Air Grille 1100-48X8 Step Down Ceiling Diffuser Standard Features * 2x2 panelStandard Features * Extruded aluminum construction * 45 fixed blades parallel to longest dimension * Margin edges are 7 8" projection for baseboard installation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 1100FF flush frame * Fractional and odd dimension sizes * Standard Color, Designer Color or Other Finish available on this product