Baseboard Return Air Grille 1100-48X8 Step Down Ceiling Diffuser Step down core designed for

Step down core designed for 4-way uniform air distribution

22 gauge butterfly style galvanized steel blades

For evaporative cooling or high-velocity exhaust applications

*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 Step down core designed forStandard 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