Airplus - 4L Ultrasonic Cool Mist Humidifier AP-S40A, Top Fill, 3 Mist Levels, 35dB Quiet Operation
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About this product
Bring gentle moisture and everyday comfort to your room with the AIRPLUS 4L ultrasonic humidifier. Designed for dry bedrooms, offices, and living spaces, it combines large mist output, three adjustable mist levels, quiet 35dB operation, and a convenient top-fill design. The transparent water tank makes water level checking easy, while the washable tank and wide opening help simplify routine cleaning. Whether used during sleep, work, or relaxation, this humidifier helps create a fresher and more comfortable indoor environment with less effort.
1. Large 4L Water Tank
The AIRPLUS AP-S40A humidifier features a 4L water tank, helping provide long-lasting humidification without frequent refilling. Its large-capacity design is suitable for daily indoor use in bedrooms, living rooms, offices, and other personal spaces where added moisture can improve comfort.
2. Ultrasonic Fine Mist Output
With an ultrasonic atomization system and mist output of at least 200mL/h, this humidifier helps quickly improve room humidity. The fine mist is designed to distribute more evenly, helping add moisture to dry air while maintaining a comfortable indoor environment.
3. Three Adjustable Mist Levels
This humidifier supports three mist levels: low, medium, and high. You can choose the output level based on the room condition or your personal comfort needs. The simple front control panel makes operation easy, with clear indicators for power and mist level selection.
4. Convenient Top-Fill Design
The top-fill structure allows water to be added directly from above, making daily refilling easier and more convenient. The large caliber design also helps simplify cleaning, while the washable water tank supports easier maintenance for regular household use.
5. Quiet 35dB Operation
Designed for quiet humidification, this model operates at about 35dB, making it suitable for nighttime use, bedrooms, work areas, and relaxing spaces. The soft mist output helps maintain comfort without creating disruptive noise during sleep, study, or daily routines.
- Maximum Recommended Room Size0 square feetApp CompatibleNoReservoir Capacity4 quartsHumidifier TypeUltrasonicLow-Water IndicatorNo
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Bring gentle moisture and everyday comfort to your room with the AIRPLUS 4L ultrasonic humidifier. Designed for dry bedrooms, offices, and living spaces, it combines large mist output, three adjustable mist levels, quiet 35dB operation, and a convenient top-fill design. The transparent water tank makes water level checking easy, while the washable tank and wide opening help simplify routine cleaning. Whether used during sleep, work, or relaxation, this humidifier helps create a fresher and more comfortable indoor environment with less effort.

Breathe comfortably in a moisturized home with the HUME Max Top Fill Humidifier from Pure Enrichment. Unlike other ultrasonic humidifiers, this true top fill design takes the mess out of refills and at almost a 1 gallon capacity, spends more time keeping your home at the ideal climate for up to 30 hours. Add an essential oil of your choosing to take advantage of the oil diffuser component to create a space luxuriously catered just for you. A TANK BUILT FOR EASE: Our cool mist humidifier helps alleviate the effects of dry air longer with its innovative design, making refills easier. The wider base eliminates hard-to-reach components so cleaning is a breeze. MIST SETTINGS FOR EVERY PREFERENCE: At a performance level providing 10 ounces of output per hour, this powerful humidifier stylishly complements any room with low to high mist settings for rooms up to 300 sq ft. YEAR LONG COMFORT: Bask in the benefit that only a top-notch humidifier provides a home, office, or nursery. With a consistently regulated climate, sleep better and gain relief from cold-like symptoms and sinus issues. Prevent harmful dry air, day or night with HUME Max. Product Specifications: Size: 7.8" x 7.8" x 11.4" | Max Run Time: 30 hours (Low); 12 hours (High) | Coverage: Up to 300 sq. ft. | Tank Capacity: 3.7 liters (1 gallon)

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Simple, powerful, and efficient — the Miko Breeze Ultrasonic Humidifier brings lasting comfort to any room up to 750 sq. ft. Its 3L top-fill tank delivers continuous cool mist for up to 30 hours while staying whisper quiet. The integrated aromatherapy tray allows you to add essential oils for a calming touch. With a sleek footprint and intuitive controls, the Breeze is the go-to humidifier for healthier indoor air without the hassle.
| Pros for Airplus - 4L Ultrasonic Cool Mist Humidifier AP-S40A, Top Fill, 3 Mist Levels, 35dB Quiet Operation | |||
|---|---|---|---|
| There were no pros for this product— | Ease of Use | Overall Performance, Noise Level, Ease of use, Humidity Control, Humidifier | Overall Performance, Noise Level |
| Cons for Airplus - 4L Ultrasonic Cool Mist Humidifier AP-S40A, Top Fill, 3 Mist Levels, 35dB Quiet Operation | |||
| There were no cons for this product— | There were no cons for this product— | Cleaning | There were no cons for this product— |
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