ONE

Air filtration devices, namely, air purifiers, air re-circulators; indoor-air quality (IAQ) devices and filters, namely, air filters, particle filters, humidifiers, dehumidifiers, for use in heating, ventilating, and air conditioning operations; heating, ventilation, and cooling (HVAC) devices, namely, air conditioners, heat pumps, and furnaces; all of the foregoing for the sensing, treatment, filtration or conditioning of indoor air for breating or comfort