Filter the air as it leaves the HVAC vent system. Plus stop cold air from blowing on your head as you sit at your desk with the 4 way adjustable side vents. Available to fit duct work collar sizes form 6"-14"
Hangs only 1.75" from the ceiling; discreet enough for use in an office, restaurant, hotel or retail setting
Helps prevent dust buildup on acoustical ceiling tiles, maintaining a cleaner appearance.