Product Information:About the Aprilaire 600 24V Whole House Humidifier with Automatic Digital Control (3 gallons/hr)The best bypass humidifier on the market today, the Aprilaire 600 24V Whole House Humidifier with Automatic Digital Control (3 gallons/hour) will give you peace of mind about the humidity levels of your home. This highly functioning, easy to use unit offers the best regulation for home humidity levels while sporting one of the highest evaporation rates in the industry: .70 gallons per hour.Healthy LivingDonrsquo;t let irritating things like dry skin, cracked lips and skin, or the agonizing effects of seasonal allergies burden your home life anymore. The answer is as simple as putting moisture back into the air, and no device does it better than the three gallon per hour Aprilaire 600 24V Whole House Humidifier with Automatic Digital Control.Benefits to Your HouseUsing a humidifier can also help your house. With overly dry air, paint, moldings and other parts of your house can become brittle or crack. With a humidifier, you can protect one of your most important investments.Proper Maintenance and CareLabeled for both summer and winter months, this devicersquo;s smart technology will automatically regulate the amount of moisture in the air depending on the season, keeping you comfortable all year round. However, to best take advantage of a humidifier, be sure to change the filter regularly. For normal usage levels, Aprilaire recommends changing the filter at least once a year, though that may happen more with use in dry climates or use of hard water that contains lots of mineral deposits.Additional Information: Features:#149; Features the same performance benefits of other Aprilaire Humidifiers#149; Delivers up to 50 more moisture in comparison to competitive units#149; Has an evaporation capacity of 0.