humidifier without filter

Pure Enrichment Travel Ultrasonic Water Bottle Humidifier: Portable Cool Mist, No Filter, 6-Hour Run, 100-300 sq. ft. Coverage

Crane Drop 4-in-1 Ultrasonic Cool Mist Humidifier with Sound Machine - 1gal

Crane Cool Mist Evaporative Humidifier, 0.5 Gal Top Fill, UV Light, Wick Filter, Dishwasher Safe Tank, Quiet, 3 Speeds, Blue/White

Vornado Ultrasonic Humidifier with Flameless Light Touch Controls Auto Shut-Off Humidification: 5-Year Warranty, 15-Hour Run Time, No Filter Needed

Pure Enrichment Hume Ultrasonic Cool Mist Humidifier: Variable Settings, 5-Year Warranty, No Filter, 100-300 sq. ft. Room

Cool Mist Humidifiers for Bedroom- 2.2L Quiet Ultrasonic, 360° Rotating Nozzle, Adjustable Mist, Auto Shut-Off, Filter-Free for Large Rooms

Pure Enrichment Ultrasonic Cool Mist Humidifier for Small Rooms: Bedroom & Baby Use, 0.7L, 7-Hour Run, No Filter Needed