Vicks V4600-CAN Filter-Free Ultrasonic Cool Mist Humidifier, Medium Room Humidifier for Baby, Bedroom, Office Desk, with Variable Output Control, Dual Scent Pad Slots, Auto Shut-Off, 4.5L/1.2Gal

-[Cool Visible Mist] This filter-free, quiet, ultrasonic humidifier provides cool visible mist. It features dual scent pad slots for added aromatherapy comfort, adjustable moisture output settings & visible water window. Dimensions: 9.53" L x 8.54" W x 12.13" H (24.2 x 21.7 x 30.8 cm)

-[Capacity] 1.2-gallon (4.5-litre) tank capacity features a wide opening that's easy to fill & clean. An ideal fit for medium sized room, it is capable of running up to 30 uninterrupted hours per filling. Vicks VapoPads (VSP-19 and VSP-19FP). Softglow nightlight

-[Accessories] Adds soothing menthol vapours with Vicks VapoPads, models VSP-19-CAN/ VSP19VPC/VBR-5FPC. Keeps your humidifier cleaner longer with Protec Continuous Cleaning Cartridge, model PC-1C-BX. Displays relative humidity & temperature with Honeywell Humidity Monitor, model H10C

-[Optimal Humidity Level] Studies have shown that keeping indoor air at an RH level of 40-60% reduces the survival of flu viruses on surfaces and in the air

-Note: Before using the product, make sure the Tank Cap is tighten