PureGuardian H1510 Ultrasonic Warm and Cool Mist Humidifier for Bedrooms, Quiet, Filter-Free, 11L Output Up to 100 Hr Run Time, 1.5 Gal Treated Tank Surface Resists Mold, Pure Guardian Room Humidifier -
PureGuardian H1175FL Top Fill Ultrasonic Humidifier Cool Mist with Aroma Tray & Bonus Decalcification Filter, 1.5 Gallon - Sam's Club
Amazon.com: Guardian Technologies Pure Guardian H920BL Ultrasonic Cool Mist Humidifier, 10 Hrs. Run Time, 210 Sq. Ft. Coverage, Small Rooms, Quiet, Filter Free, Treated Tank Resists : Home & Kitchen