This 46 Pint Dehumidifier is an absolute must for allergy sufferers as it works to reduce the presence of dust mites and mold spores. Air with too much moisture can also cause itchy skin and nasal passages, window condensation, water damage, and mold growth. This unit is ideal for those who want to keep their indoor humidity level between 50 and 70%. Other features include a water indicator light and TiO2/UV light to kill airborne germ and bacteria.