Step Down Ceiling Diffuser 90-14 past 12 months 450 Series Engineering/Performance Data

450 Series Engineering/Performance Data

Recessed screwdriver operated Opposed Blade Damper

Airfoil blades individually adjustable on 3/4" centers

Holds up to a 2” filter (not included)

Back blades are parallel to the longest dimension

Step Down Ceiling Diffuser 90-14 past 12 months 450 Series Engineering/Performance DataStandard 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, Designer