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(Open Box) Ethereal Rain AEH300 Air Purifier & Humidifier Combo

(Open Box) Ethereal Rain AEH300 Air Purifier & Humidifier Combo

4.8 (15 reviews)
Regular price $79.99 USD
Regular price $149.99 USD Sale price $79.99 USD
Shipping calculated at checkout.
  • 2-in-1 Air Purifier & Humidifier
  • Covers Up to 1325 ft²
  • 3-Stage Filtration with PM2.5 Sensor
  • Filter-Based Hygienic Humidification
  • Smart Humidity & Fan Control
  • Timer, Sleep Mode & Child Lock

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  • Description
  • Review
  • FAQ

Why Choose 2-in-1 Purify + Humidify?

Staying comfortable year-round means keeping humidity between 40–60%. When humidity climbs above 70%, it can create the perfect environment for mold, dust mites, and bacteria.

This 2-in-1 unit takes care of both air quality and moisture. The lower unit captures airborne particles, while the upper unit adds clean, refreshing humidity.

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Nano-Level Mist-Free Humidification

Enjoy clean, comfortable air without the mist. This advanced evaporative technology releases tiny water molecules into the air with no visible mist and no white dust left behind. It’s a gentler, healthier way to humidify your space and protect your airways.

H13 HEPA Filtration for Cleaner, Healthier Air

Breathe easier with powerful H13 HEPA filtration that captures airborne allergens like pollen, dust, and pet dander. This unit is ideal for anyone seeking cleaner indoor air, especially during allergy season or in environments with high particulate levels.

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Modular 2-in-1 Design

Top fill makes refilling quick and mess free. The detachable tank and antibacterial ABS material keep it easy to clean and safe for daily use in bedrooms, nurseries, or shared spaces.

In the Box

Everything you need to get started.

  • Long Lasting Freshness

    The humidifier filter is washable and designed to resist yellowing and mineral buildup

  • Longer Timer

    1-24 Hours Timer enables better scheduling for your life.

  • PM2.5 Monitoring

    Color-coded display and auto-adjusting fan speed keep air quality fresh.

  • Safety Child Lock

    Prevent accidental changes to settings, ensuring safety for families with children and pets.

Step-by-step guide to replacing a humidifier filter

Questions & Answers

Before you buy — common questions.

Technical Details

Full specifications.

Product specifications comparison table: Full specifications.
Full specifications.
Parameter AEH300
AGH400
APH320
APH260
Coverage 1200 ft² 2000 ft² 1500 ft² 1000 ft²
WiFi Control
Auto Mode
Air Quality Sensor
Timer 1-24 Hours 1-12 Hours 1-12 Hours 1-12 Hours
UV-C Disinfection
Child Lock
Sleep Mode
Humidify
Dimension 9.5 x 9.5 x 21 inches 11.8 x 11.8 x 21.3 inches 13 x 6.7 x 21.2 inches 13 x 6.7 x 21.2 inches
Weight 7.3 lbs 15 lbs 10.6 lbs 10.4 lbs

Why Airthereal

World-class design. Independently verified.

  • Red Dot Award · 2025
    Red Dot Award
    Revive R800 · Product Design
    Winner
  • iF Design Award · 2026
    iF Design Award
    AEH300 · 10,000+ entries · 131 jurors · Berlin
    Winner 2026
  • Amazon · Ongoing
    Amazon's Choice
    Multiple air purifier models
    Verified
  • H13 Medical Grade HEPA
  • CARB Certified
  • SGS Tested
  • AHAM Verifide®
  • TÜV Certified
  • ETL Certified
  • Energy Star
  • Climate Pledge Friendly
Founded
2018
Particle Capture
99.97%
Waste Reduction
90%
Homes Served
1M+