Featuring a 2.5-Gallon capacity, this Essick Air humidifier adds invisible moisture to your environment by moving dry air through a saturated wick. Maintaining proper humidity levels between 30-50 % in your home/office/workplace has been scientifically proven to help prevent the flu and allergies. Proper humidity hydrates your skin, alleviates dry eyes, scratchy throats and can reduce snoring. It also protects fine furniture, musical instruments, collectibles and wood floors. Proper humidity also makes you feel warmer, allowing you to lower your thermostat setting which will save money. Use of a ceiling fan helps distribute moisture output. This humidifier has a daily output of 8.2 gallons and can cover up to 2600 square feet. Use of Essick Air 1970 bacteria treatment controls bacteria/algae build-up.