Photo 1 of AprilAire 400 17-gal. Whole-House Evaporative Humidifier with Automatic Digital Control for up to 5,000 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit Humidifier + Installation Kit

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Photo 1 of AprilAire 400 17-gal. Whole-House Evaporative Humidifier with Automatic Digital Control for up to 5,000 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit Humidifier + Installation KitPhoto 2 of AprilAire 400 17-gal. Whole-House Evaporative Humidifier with Automatic Digital Control for up to 5,000 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit Humidifier + Installation Kit