Power Humidifier; Type Whole-House Humidifier, Powered; Adjustable Humidistat Control Yes; Capacity 18 GPD; Effective Area 1050 Sq Ft Loose Construction, 2100 Sq Ft Average Construction, 4200 Sq Ft Tight Construction; Material ABS/Polycarbonate Thermoplastic; Style Evaporative; Depth 10-11/32"; Height 15-31/32"; Width 15-29/32"; Plenum Opening Size 14-7/8" Width x 14-3/16" Height; Water Feed Rate 6 Gallons per Hour; Evaporative Rate 0.75 Gallons per Hour at 120 Degree Plenum Temperature; Drain Connection 1/2" Inner Diameter; Hose Material Plastic; Electrical Data 120 Volt 60 Hertz 0.70 Amp; Included Accessories 24 Volt Humidistat, Saddle Value; Approved UL