Fixed T-Bar High Volume Diffuser FTD-BD-6 Step Down Ceiling Diffuser 2" ADC compliant round collar

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

Available in 4" through 24" round

Holds up to 1" filter

T-Bar Modular Core Diffuser with Round Collar 18-20

Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

Fixed T-Bar High Volume Diffuser FTD-BD-6 Step Down Ceiling Diffuser 2" ADC compliant round collarStandard Features * Galvaneal steel face designed for high air volume delivery * 360 air diffusion * No Labor Collar * Seismic support hangers * Available sizes: 6", 8", 10", 12", 14" * Soft White Options * Field installable Bowtie Damper (BD) * TVB Thermal Vapor Blanket * HVD Hinge Down Face