Ultrasonic Top-Fill Cool Mist Humidifier, 46 oz

A compact, filter-free ultrasonic humidifier with a 46 oz (0.36 gal) top-fill tank for easy cleaning and refilling. It delivers cool, visible mist with quiet operation, features two speed settings, an aromatherapy tray, and antimicrobial tank material to help inhibit microbial growth.

Key Features

• Top-fill design with removable tank cover for simple filling and cleaning
• Two mist speeds and one-button controls for easy operation
• Compact and portable; ideal for small rooms
• Aromatherapy tray for optional essential oils (use in tray only, not in tank)
• Ultrasonic, filter-free, and virtually silent cool mist output
• 46 oz (0.36 gal) tank provides up to 16 hours on Low
• Water shortage indicator illuminates when it’s time to refill
• Antimicrobial protective material in the tank helps inhibit mold and bacterial growth on the tank surface

Specifications

• Model number: 2122257
• UPC: 053891144568
• Dimensions: 9 x 8.1 x 8.2 in
• Item weight: 3.06 lb
• Misting type: Cool mist
• Moisture output: 4.8 L
• Water capacity: 46 oz (0.36 gal)
• Settings: 2 speeds
• Run time per fill: Up to 16 hours (Low)
• Voltage: 120V
• Power: Corded electric
• Batteries required: No

How to Use (60 seconds)

• Place the unit on a flat, water-resistant surface in a small room.
• Remove the top cover, fill the tank with clean water, and replace the cover.
• Add a few drops of essential oil to the aromatherapy tray if desired (do not add oils to the tank).
• Plug in, press the button to power on, and select Low or High mist.
• When the water shortage indicator illuminates, turn off and refill the tank.

Care & Maintenance

• Empty and rinse the tank daily to reduce mineral buildup and residue.
• Use distilled or demineralized water where possible to minimize “white dust.”
• Wipe exterior surfaces with a soft cloth; avoid harsh cleaners.
• Periodically clean the tank and components per the user manual to maintain performance.

Why it's important for longevity?

Consistent indoor humidity supports day-to-day comfort and long-term wellness. Dry indoor air—common in heated or air-conditioned spaces—can irritate nasal passages and throat, dry out skin, and contribute to poor sleep quality. Maintaining a moderate humidity range (often cited around 40–60%) helps keep the body’s natural moisture barrier more comfortable, which can make breathing feel easier and reduce perceived throat and nasal dryness. More comfortable air can also support better sleep continuity, a foundation of recovery, cognition, and overall daily functioning.

For home environments, balanced humidity can reduce static electricity and help protect wood furniture and musical instruments from excessive drying. A quiet, filter-free ultrasonic unit makes regular use more practical—important because the benefits of humidity control are most noticeable when you use it consistently. The top-fill design lowers friction for daily refills and cleaning, further supporting adherence. The included aromatherapy tray enables optional scent without contaminating the water reservoir, and the antimicrobial tank material helps inhibit microbial growth on the tank surface between cleanings (not a substitute for regular maintenance).

Small, easy-to-use tools like this humidifier make it simpler to shape a healthier indoor environment—a practical step that can compound over time through better sleep, comfort, and daily readiness.

Frequently Asked Questions

• What room size is this best for? It’s designed for small rooms and personal spaces where a compact, portable humidifier is preferred.
• Does it require filters? No. This ultrasonic humidifier is filter-free for low-maintenance operation.
• Can I use essential oils? Yes—use the aromatherapy tray only. Do not add oils directly to the water tank.
• Is it quiet enough for bedrooms? Yes. Ultrasonic operation is virtually silent, making it suitable for bedside use.
• Will it shut off when empty? A water shortage indicator illuminates when it’s time to refill. Turn the unit off and refill promptly.