FEATURES- 2.5 GPD Humidifier, Mechanical 2.5 Gallon Output For Up To 1350 Sq. Ft. * Mechanical Humidistat Automatically Maintains Desired Humidity Level * Patented PermaWick Filter Never Needs Replacement * 2-Speed Whisper-Quiet Hunter Fan * Regulated Release System To Eliminate Stagnant Water * Exclusive Easy-To-Fill ToteAway Tank * Anti-Microbial built in to inhibit the growth of bacteria and mold * Automatic shutoff when empty * Warranty: 1 YEAR