Perforated T-Bar 830-BD-10 past 12 months 450 Series Engineering/Performance Data

450 Series Engineering/Performance Data

3 hour fire resistance rating

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

Standard Features * For evaporative cooling or high velocity exhaust applications with divided 2-way multi-louver and combination shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White

Lever Operated Opposed Blade Damper

Perforated T-Bar 830-BD-10 past 12 months 450 Series Engineering/Performance DataStandard Features * T Bar lay in panel with hinged perforated face * Galvaneal steel 2x2 panel with seismic hangers * Spring push release for removal of perforated face * Round No Labor Collar sizes: 6 10", 12", 14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6 14", round collar only) * 830 OR factory installed opposed radial damper (sizes 6" 14") * 830 FR U. L. listed Fire Resistance Diffuser * TVB Thermal Vapor Blanket