DESC: Considered a "whole house" humidifier, the Holmes Accuset Plus console humidifier has the following benefits: It humidifies up to 1,700 square feet, runs up to 36 hours without refilling, allows you to select the exact humidity level you prefer and lets you know when you need to replace the filter. The Microban antimicrobial protection helps keep your humidifier clean. Model No. HM3655-U.