Does this use a filter?

yes, the Levoit Classic 300 (LEVOIT 60-Hour Top Fill Humidifiers for Bedroom Large Room (6L)) uses a filter. The product comes with one filter installed and one extra plus a small cleaning brush. Levoit recommends using their replacement filters.

Does this unit make a water gurgling noise or loud dripping noise?

I have tried several different ultrasonic humidifiers, and ALL of them have made a persistent, water-dripping, coffee-percolator sound, this one included. When this is on the lowest setting, it's quiet; any other setting, including sleep mode, sounds like a loud coffee percolator running nonstop. Impossible to sleep with it.

I'm thinking of getting an air purifier also from Levoit, is it okay to put this near one?

Please keep in mind that the design of a humidifier is to increase the water particles (humidity) in the air and an air purifier's design is to remove any airborne particles in the air. Trapped water particles may cause the filter to saturate quicker and possibly harbor mold/mildew buildup. If you would like to keep the two in the same room, we recommend running the two at different times as far away as possible.

"sleep mode .... uses a built-in humidity sensor to automatically maintain a comfortable humidity level" What is the exact humidity level? %

Hi, the intelligent sleep mode turns off all display lights and uses a humidity sensor to automatically adjust the mist level to maintain a 60% relative humidity (RH) while you sleep.

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Humidifiers for Bedroom, Smart Warm and Cool Mist, Symptom Relief | 4.5L Top-Fill Tank Runs 45H, Auto Sensor Maintains Ideal Humidity, 26dB Quiet for Baby, Essential Oil, Easy To Clean

Product ID: 462114476

Details

Brand
Levoit
Capacity
4.5 liters
Color
White
Floor Area
430 Square

💧4.5L tank capacity

📱Smart app & voice control

🔇Ultra-quiet 26dB operation

S$196

Duties & taxes included

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Description

💨 Elevate your air game—smart, silent, and seriously soothing.

SEAMLESS SMART CONTROL - Manage humidity levels, schedules, and mist modes remotely via VeSync app or voice commands—effortless comfort at your fingertips.
WHISPER QUIET WELLNESS - Ultra-quiet 26dB operation ensures peaceful sleep and work environments—because your comfort shouldn’t come with noise.
ALL DAY HYDRATION POWER - Massive 4.5L top-fill tank runs up to 45 hours—stay comfortably hydrated without constant refills.
HASSLE FREE MAINTENANCE - Top-fill design and wide opening make refilling and cleaning a breeze—keep your space fresh and your humidifier performing at peak.
TAILORED MIST EXPERIENCE - Switch between warm and cool mist with dual 360° nozzles for faster, healthier relief and customizable room coverage.

The LEVOIT Smart Humidifier features a large 4.5L top-fill tank delivering up to 45 hours of continuous warm or cool mist. Equipped with smart app and voice control, it maintains ideal humidity levels automatically while operating ultra-quietly at 26dB. Dual nozzles provide customizable mist direction, and its easy-to-clean design ensures effortless maintenance. Perfect for bedrooms, nurseries, and offices, it promotes healthier air, symptom relief, and a soothing atmosphere enhanced by aromatherapy.

Specifications

ASIN	B0B1DQ8KV3
Best Sellers Rank	#16,322 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #18 in Humidifiers
Brand Name	Levoit
Capacity	4.5 liters
Color	White
Control Method	Voice
Customer Reviews	4.4 4.4 out of 5 stars (10,305)
Filter Type	Water Filter Sponge
Floor Area	430 Square Feet
Global Trade Identification Number	00810043375542
Included Components	1 × 4.5-Liter Smart Warm & Cool Mist Humidifier, Aroma Pad, Cleaning Brush, Water Filter Sponge
Item Dimensions D x W x H	10.8"D x 6"W x 11.97"H
Item Shape	Rectangular
Item Type Name	Auto Customized Humidity, Ultrasonic Top Fill Oil Diffuser for Baby and Plants, Quiet, 4.5L
Item Weight	5.3 Pounds
Manufacturer	LEVOIT
Material	BPA-Free Meterial, suitable for babies and adults
Model Name	OasisMist Smart Cool and Warm Mist Humidifiers for Bedroom Large Room Home,
Model Number	LUH-O451S-WUS
Operation Mode	Ultrasonic
Other Special Features of the Product	Aroma Diffuser, Auto Shut Off, Easy Top Fill, Humidistat, Remote Control, Run All Night, Smart Vesync APP, Timer, Voice Control, Warm and Cool Mist for Faster and Healthier Relief
Part Number	Warm & Cool Mist Top fill humidifier
Power Source	ETL Certified AC Power Adapter
Room Type	Baby,Bedroom,Bedrooms, Bedroom, Large Room, Living Room, Office
Runtime	45 hours
Smart Home Compatibility	Smart Home Compatible
UPC	810043375542
Unit Count	1.0 Count
Voltage	120 Volts
Wattage	12 watts

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