Emerson HFT2700 Whole House Humidifier Duct humidifier 18 gallon by-pass White Rodgers HFT2700 High capacity whole house bypass flow through humidifier For use in 2700 square foot minimum house Reversible side panels with snap-lock fittings allows wither left-side or right-side bypass installation Includes universal humidistat, self-piercing saddle valve, 24v transformer, mounting template and hardware and installation instructions Rated output 18-Gallon per day