Honeywell HWM-335 QuickSteam 3-Gallon Warm Moisture Humidifier Auto Shut-off for added safety Easy to clean, carry and fill Medicine cup disperses soothing vapors and is dishwasher safe Patented stainless steel heater easily wipes clean For Medium to Large Rooms (650-1050 sq. ft.) & Runs 12-24 hours per filling