タイトルまたは説明

The Aprilaire **0 Whole-House Humidifier features the new #*0 truly automatic control, plus a built-in bypass damper, which means fewer parts to install. The bypass damper is conveniently labeled for both summer and winter settings, allowing you to set it for the entire season with no guesswork involved. The Aprilaire **0 Whole-House Humidifier is simply the best performing bypass humidifier on the market.