Best Filterless Humidifiers

LEVOIT Humidifiers for Bedroom, Smart WiFi Alexa Control, Top Fill Cool Mist for Baby Nursery and Plants with Essential Oil Diffuser, Humidity Display, Easy Clean, Whisper Quiet Operation, 3L, White

LEVOIT Humidifier for Bedroom, 4L Cool Mist Humidifiers for Plants, Baby Nursery with Essential Oil Tray, Quiet Operation, BPA Free, Last Up to 40h, White, Small

Everlasting Comfort 6L Ultrasonic Cool Mist Humidifier for Bedroom - Quiet, Filterless, Essential Oil Tray - Large Room, Baby, Kids, Nursery - 50-Hour Runtime

ASAKUKI Humidifiers for Bedroom, 3L Top Fill Cool Mist Air Humidifier & Aroma Diffuser with Night Light for Baby Nursery, Plants, Ultrasonic Quiet, Auto Shut-Off, BPA Free, 360° Nozzle, Easy Control

Pure Enrichment MistAire Studio Ultrasonic Cool Mist Humidifier - Small & Compact, Overnight Operation, 2 Mist Settings, Optional Night Light, & Auto Shut-Off - For Offices, Plants & Small Spaces

Honeywell HUL520WC MistMate™ Ultrasonic Cool Mist Humidifier, White, with Adjustable Mist Control, Auto Shut-off, Ultra Quiet Operation, Visible Cool Mist

AIRCARE 831000 Space-Saver Evaporative Humidifier, White

Vicks VUL600C CoolRelief Ultrasonic Cool Mist Humidifier, Medium Room Humidifier for Baby, Bedroom, Office Desk, with Variable Output Control, Scent Pad Slots, Inhalant Cup, Auto Shut-Off, 4.5L/1.2Gal

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

Crane Ultrasonic Humidifiers for Bedroom and Office, 1 Gallon 4-in-1 Cool Mist Air Humidifier for Large Room and Home, Humidifier Filters Optional, White