This standard air quality bundle includes typical items for improving air quality. It includes air cleaner, replacement filters, humidifier with manual thermostat and UV lamp for furnace. Residential air cleaner includes a MERV11 filter built to remove unwanted particles as small as .3 microns. Made for quick and easy filter changes and reversible air flow. Whole-home humidification and use the warm air from the furnace or air handler to evaporate water that is trickled over an internal humidifier pad. UV lamp works to inhibit growth of microbes such as mold, bacteria and viruses on the evaporator coil of your heating and cooling system.