round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U
Lever operated multi-shutter damper
Airfoil blades individually adjustable on 3/4" centers
14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) * FTD - Fixed T-Bar Diffuser (6"
Standard Features * T-Bar lay-in panel with perforated face * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar attached to panel * Soft White Options * 105 P D - multi-shutter damper with hinged perforated face * 105 P O - opposed blade damper with hinged perforated face * TVB - Thermal Vapor Blanket * Square collar
Stamped Curved Blade T-Bar 104-6 Residential Registers & Grilles round collar only) * 830Standard Features * Stamped 22 gauge steel curved blade T Bar lay in supply diffuser * Field adjustable * Five air patterns: 101 one way, 102 two way, 102C corner, 103 three way, 104 four way * 2x2 galvaneal steel panel with seismic support holes * Square to round No Labor Collar * Soft White Options * 104 D steel multi shutter damper * 104 O steel opposed blade damper * 104 FR, 104 O FR, 104 D FR U. L. listed Fire Resistance Diffusers * TVB Thermal