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Modern black VIVOSUN humidifier with blue LED display showing 28°C and 36%RH, touch controls, and vertical blue light.
Black VIVOSUN 4.5L 2-in-1 Cool/Warm Mist Humidifier with infrared remote, emitting mist in a living room.
Black VIVOSUN humidifier with dimensions 12.3x6.5x9.1 inches, a 4.5L tank, and bonus water filter for up to 38-hour use.
VIVOSUN 4.5L 2-in-1 cool/warm mist humidifier on wood table with digital display, sleep mode, 1-12hr timer.
VIVOSUN black humidifier showing adjustable cool mist output from 120-350ml/H and 360° rotation.
VIVOSUN 4.5L 2-in-1 Cool/Warm Mist Humidifier operating quietly at 35 dB next to a sleeping child.
Modern black VIVOSUN humidifier with blue LED display showing 28°C and 36%RH, touch controls, and vertical blue light.
Black VIVOSUN 4.5L 2-in-1 Cool/Warm Mist Humidifier with infrared remote, emitting mist in a living room.
Black VIVOSUN humidifier with dimensions 12.3x6.5x9.1 inches, a 4.5L tank, and bonus water filter for up to 38-hour use.
VIVOSUN 4.5L 2-in-1 cool/warm mist humidifier on wood table with digital display, sleep mode, 1-12hr timer.
VIVOSUN black humidifier showing adjustable cool mist output from 120-350ml/H and 360° rotation.
VIVOSUN 4.5L 2-in-1 Cool/Warm Mist Humidifier operating quietly at 35 dB next to a sleeping child.

VIVOSUN 4.5L 2-in-1 Cool & Warm Mist Humidifier

Sale Price:
$89.99 USD $79.99 USD$89.99 USD
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Pay as little as
$7999/mo
for a term that suits you, up to 36 months. Learn More

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MODEL: WEB-HD-2119J
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VIVOSUN 4.5L 2-in-1 Cool & Warm Mist Humidifier

Tired of dry, uncomfortable air affecting your skin, plants, or sleep quality? The VIVOSUN 4.5L 2-in-1 Humidifier is the all-in-one solution for creating the perfect indoor environment. Whether for your bedroom, office, or grow room, this versatile unit delivers complete humidity control, air purification, and aromatherapy to enhance your well-being.

With a generous 4.5-liter tank, this humidifier provides extended operation, offering both cool and warm mist to suit any season. Its intelligent system allows you to set precise humidity levels from 40% to 80%, automatically adjusting to maintain a consistent, comfortable atmosphere. For those seeking a complete environmental solution, this 3-in-1 device also functions as an essential oil diffuser and an air ionizer, purifying the air while infusing it with your favorite scents. It's an essential piece of equipment from the trusted VIVOSUN lineup, designed for convenience and performance.

What's Included

  • 1x 4.5L 2-in-1 Cool & Warm Mist Humidifier
  • 1x Remote Control
  • 1x Essential Oil Box
  • 1x Built-in Filter (Pre-installed)
  • 1x User Manual

Features

VIVOSUN 4.5L Humidifier cool and warm mist options
VIVOSUN 4.5L Humidifier smart humidity control panel
VIVOSUN 4.5L Humidifier multi-function features displayed
VIVOSUN 4.5L Humidifier remote control and timer settings
💨
Dual Mist Technology

Choose between cool and warm mist for year-round comfort. The 4.5L tank ensures long-lasting operation.

🎯
Smart Humidity Control

Precisely set your desired humidity from 40-80%. Auto mode maintains the perfect level effortlessly.

✨
3-in-1 System

Functions as a humidifier, essential oil diffuser, and air ionizer for complete air quality improvement.

🤫
Whisper-Quiet Operation

Operates at less than 35dB, with a dedicated sleep mode that turns off all lights and sounds.

Specifications

Specification Value
Water Tank Capacity 4.5 Liters
Mist Options Cool & Warm Mist
Humidity Range 40% - 80% (5% intervals)
Mist Levels 3 Levels (High/Medium/Low)
Noise Level < 35dB
Nozzle Design 360° Rotating Double Nozzles
Control Methods Manual Controls + Remote Control
Operation Modes Auto, Constant Humidity, Sleep
Additional Features Essential Oil Diffuser, Air Ionizer, Built-in Filter
Safety Features Auto Power-off, Overturn Protection
Timer Options 4 Preset Timer Functions
Applications Bedrooms, Offices, Plants, Baby Care, Skincare

Warranty

VIVOSUN provides a 1-year after-sale service warranty for this humidifier. Customers can also enjoy free returns within 30 days of delivery for complete peace of mind.

FAQs

What is the difference between cool and warm mist?+

Cool mist is great for year-round use and can make a room feel more comfortable in warmer months. Warm mist is created by heating the water, which helps kill waterborne bacteria and can be soothing during colder seasons, especially for congestion.

How often should I clean the humidifier?+

For optimal performance and hygiene, it's recommended to clean the humidifier once a week. Regular cleaning prevents the buildup of mineral deposits and bacteria. Always follow the instructions in the user manual for proper cleaning procedures.

Can I use this humidifier in my grow tent?+

Yes, this humidifier is an excellent choice for maintaining optimal humidity levels in a grow tent. Proper humidity is crucial for plant health and development. For a fully integrated environment, you could pair it with a Vivosun GrowHub E42A Controller to automate your climate control. To learn more, check out our guide on the ideal grow room temperature and humidity.

How does the Auto Mode work?+

In Auto Mode, you set your desired humidity percentage (e.g., 55%). The humidifier's built-in sensor will continuously monitor the room's ambient humidity. It will automatically turn on when the humidity drops below your set point and turn off once it's reached, saving energy and maintaining a perfect balance.

Is this model different from other VIVOSUN humidifiers?+

This 4.5L model is a versatile all-rounder with both cool and warm mist. VIVOSUN also offers other specialized models. For instance, the AeroStream H09 includes WiFi capabilities for smart home integration, while the compact AeroStream U075 is a portable USB-powered option perfect for desktops or small spaces.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

  • Most orders are processed within 24-48 hours after being placed.
  • Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

  • USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
  • FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
  • UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

  • These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
  • For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

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