Step Down Ceiling Diffuser 90-12 Residential Registers & Grilles 4-Way ceiling register with stiffened

4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation

w/ Screwdriver Operated Opposed Blade Damper

1x2 T-Bar (8" x 20" duct)

2" ADC compliant round collar with bead for ease of installation

Step Down Ceiling Diffuser 90-12 Residential Registers & Grilles 4-Way ceiling register with stiffenedStandard 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