Usage & Setup: Airthereal Hepa Air Purifier Glory Days AGH380 User Manual
Content
Airthereal Hepa Air Purifier Glory Days AGH380

Introduction
The airthereal Hepa Air Purifier Glory Days AGH380 is a high-performance air purification system designed to deliver medical-grade clean air for medium to large indoor spaces. Equipped with a powerful H13 True HEPA filter, it effectively captures 99.97% of airborne particles down to 0.1 microns, including dust, pollen, smoke, odors, and pet dander—providing exceptional protection against allergens and pollutants. In addition to the advanced HEPA filtration, the AGH380 features a UV-C sterilizing light that helps eliminate bacteria and viruses, enhancing overall indoor air quality.
This model is ideal for health-conscious individuals, families, office environments, or classrooms seeking to reduce airborne contaminants and improve respiratory health. It's smart auto mode with a laser PM2.5 sensor continuously monitors air quality and adjusts fan speed automatically to maintain optimal conditions. With five fan speeds, sleep mode for quiet operation, and a child-lock feature, the unit offers both convenience and safety.
The airthereal AGH380 covers up to 519 square feet with a Clean Air Delivery Rate (CADR) of 224 CFM (380 m³/h), suitable for mid-sized rooms or multi-room use within a home or office. Noise levels range from a whisper-quiet 22 dB to a moderate 49 dB at maximum speed, allowing for operation without disturbance. The device is CARB and ETL certified, emphasizing energy efficiency and safety. Users can expect the air purifier to consume 42 watts of power, running on standard AC 120V, 60Hz electricity.
Available through various online retailers, the airthereal Hepa Air Purifier Glory Days AGH380 typically falls into the mid-to-high price range, reflecting its advanced filtration technology and robust build. Replacement medical-grade filters are recommended every 6-8 months to sustain peak performance. Whether for allergy relief, smoke removal, or general air quality enhancement, this air purifier is a reliable choice for those seeking a combination of power, smart features, and trusted filtration technology.
SPECIFICATIONS
- Model: AGH380
- CADR: 224CFM (380 m³/h)
- Fan Speed: 5-Level
- Dust Sensor: Laser PM2.5 Particles Sensor
- Filter Structure: Pre-Filter, H13 Class True HEPA Filter, Activated Carbon Filter (attached with Nano Mineral, Cold Catalyst, Photo Catalyst,,t and Molecular Sieve)
- UV Light: UV-C LED Wavelength: 270-275nm Bulb life: Approx. 50,000 hours
- Noise Level: 22-49dB
- Standby Power: 2W
- Rated Power: 36W
- Power Supply: AC 120-240V to DC 24V Power Adapter (Length: 2M/ 6.5ft)
- Operating TEMP: 15°F ~ 130°F (-10°C ~ 55°C )
COMPONENTS

IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT:
Please read and comply with all of the instructions and warnings in the manual before using. Failure to comply with the instructions and warnings provided herein may result in inaccurate results and/or damage to the product itself.
General Safety
Only use this air purifier as described in this manual.
- Ensure the plug fits properly into an AC power outlet.
- When not being used, turn the air purifier off and disconnect it from its power source by unplugging ng from the electrical outlet.
- DO NOT operate the unit if its cord or plug is damaged. It may result in damage to the unit or injury. It must be replaced by the manufacturer or a technician to avoid risks.
- NOT recommended to use an extension cord. If necessary, the extension cord should be the same size as the original one.
- Thoroughly dry your hands before the operation.
- DO NOT immerse the air purifier in water or liquids. It may result in damage to the appliance, electric shock, or fire.
- DO NOT use the air purifier outdoors. This appliance is designed for indoor use only.
- DO NOT use the air purifier in an enclosed space where flammable, combustible, or explosive gases are present.
- DO NOT use in an area where toxic vapors, flammable dust, or oxygen tanks are present.
- DO NOT insert fingers or objects into the air outlet.
- Child supervision is required while the air purifier is on. Do not allow children to play on or near the air purifier.
Use & Care
- Always make sure to place the air purifier on a flat, level surface before operation.
- Always allow 15 inches (38 cm) of clearance on all sides of the purifier.
- DO NOT ROUTE CORD UNDER FURNITURE OR APPLIANCES. Do not run the power cord under carpeting. Do not cover he cord with throw rugs, runners, or similar coverings. Place the power cord away from high-traffic areas.
- DO NOT sit on or place anything on top of the purifier.
- DO NOT place the air purifier near sources of heat, such as stoves, ovens, radiators, or computers.
- DO NOT use this appliance with indoor smoke-type insect repellents or in places with oily residues, burning incense,, or chemical fumes.
- DO NOT open the back shell while the air purifier is on. It will automatically turn off the unit.
- Always unplug the appliance from the power supply before servicing.
- DO NOT clean the appliance with water or any other liquid to avoid electric shock or injury.
- DO NOT attempt to repair this device in any way or use any replacement components or parts to modify the air purifier. Contact Customer Support immediately if your appliance is no longer working.
- Only use Airthereal Glory Days AGH380 replacement filters for this unit.
- If you experience any problems while operating the air purifier, refer to the Troubleshooting section in the manual. If the problem is NOT solved, contact Customer Support.
- If the unit is damaged or NOT functioning properly, discontinue use and contact Customer Support.
INSTALLATION INSTRUCTIONS
- Rotate the bottom cover of the air purifier and unwrap the plastic package of the HEPA filter.
- Reinstall the HEPA filter. (Note: the HEPA filter is with the Bottom Cover.) Close the bottom cover by rotating it clockwise.
- Place the air purifier on hard, flat surfaces.
NOTE:
Tip-Over Shut-Off
The AGH380 is equipped with a safety cut-off switch to power the unit o if it is knocked over. To reset, simply place the purifier in an upright position and turn it on again. - Place at least 15 inches away from TVs, radios, and other electronic products. Electromagnetic interference from certain electronics may cause product malfunction.
- Only use the unit on the firm and flat surfaces. Flimsy or slanted surfaces may result in abnormal noise and vibrations.


CONTROLS

Air Quality Indicator
The PM2.5 indicator shows the real-time PM2.5 value. After powering on, it takes about 15 seconds to activate the PM 2.5 Indicator. The air quality indicator will illuminate and display the real-time PM2.5 value and corresponding air quality indicator color.

MAINTENANCE
Know the 3-in-1 H13 HEPA Filter
When the replacement icon lights up ,, it is a reminder to check and change the the air filter.
Recommend replacing the air filter every 6-8 months for optimal use, or according to your air filter status. It’s time to replace the air filter when below symptoms appear:
- Increased noise
- Decreased airflow
- Clogged filters
- Presence of odors from the unit
Purchase a new Airthereal Air Filter Replacement: www.airthereal.com
Search on Amazon: AGH380 replacement filter / B08HYRJGWG
Only use Airthereal Glory Days AGH380 replacement filters for this unit.
Replace the Air Filter
Power off and unplug before operating.
Rotate the bottom cover counterclockwise and take out the old filter. Unwrap a new filter.

TROUBLESHOOTING


WARRANTY
- Product Name: Airthereal Glory Days AGH380 HEPA Air Purifier
- Series: Glory Days
- Model: AGH380
- Manufacturer Warranty Period: 2 Years
Please keep your order receipt for future reference.
Pros & Cons of airthereal Hepa Air Purifier Glory Days AGH380
- Pros:
- Medical-Grade H13 HEPA Filter: Captures 99.97% of particles down to 0.1 microns, outperforming standard HEPA filters by filtering finer pollutants.
- UV-C Sterilization: Adds germicidal protection against bacteria and viruses, enhancing the purifier’s effectiveness in maintaining a healthy environment.
- Smart Auto Mode with Laser PM2.5 Sensor: Automatically adjusts fan speed based on real-time air quality monitoring for efficient and effortless operation.
- Large Coverage Area: Suitable for rooms up to 519 sq ft, making it versatile for homes, offices, or classrooms.
- Quiet Operation: Noise output ranges from 22 dB (sleep mode) to 49 dB (high speed), balancing power with low disturbance.
- Child Lock & Sleep Mode: Enhances safety and comfort, especially for family settings.
- Cons:
- Replacement Filter Cost: Medical-grade filters are pricier than standard HEPA replacements, adding to long-term maintenance expenses.
- Size and Weight: At 7.5 lbs and dimensions of 20.3" H x 9.8" L x 9.8" W, it may be too large or bulky for small rooms or tight spaces.
- Price Range: Positioned in the mid-to-high price segment, it may not suit budget-conscious buyers compared to simpler air purifiers.
- Limited to Medium Rooms: While powerful, it does not cover whole-house needs; larger units like the AGH550 cover up to 750 sq ft for bigger spaces.
Customer Reviews of airthereal Hepa Air Purifier Glory Days AGH380
Users generally praise the airthereal Hepa Air Purifier Glory Days AGH380 for its robust air filtration and smart sensor technology. Many highlight the noticeable improvement in air quality and reduction in allergens, particularly in mid-sized rooms. The quiet operation during sleep mode is frequently commended, making it a suitable choice for bedrooms.
Common compliments include the effectiveness of the medical-grade H13 filter and the added benefit of the UV-C sterilizing feature. Customers appreciate the intuitive auto mode, which reduces the need for manual adjustments. Star ratings typically range between 4.5 to 5 stars, reflecting high satisfaction.
On the downside, some users mention the cost of replacement filters as a drawback. A few reviews note the purifier’s size as somewhat large for compact spaces. There are occasional comments about the initial adjustment period to the device’s noise at higher fan speeds, though many agree it remains manageable.
Overall, the product is recommended for those prioritizing clean, allergen-free air in medium-sized areas, with good value justified through its advanced features and reliable performance.
Faqs
How do I set up the airthereal Hepa Air Purifier Glory Days AGH380 for the first time?
What should I do if the airthereal Hepa Air Purifier Glory Days AGH380 stops working unexpectedly?
What are the key filtration features of the airthereal Hepa Air Purifier Glory Days AGH380?
How often should I replace the filter in the airthereal Hepa Air Purifier Glory Days AGH380?
Can I use any replacement filter with the airthereal Hepa Air Purifier Glory Days AGH380?
Why does the airthereal Hepa Air Purifier Glory Days AGH380 need to be placed away from electronics?
How do I maintain and clean the airthereal Hepa Air Purifier Glory Days AGH380 to ensure its best performance?
What steps should I take if the airthereal Hepa Air Purifier Glory Days AGH380 emits unusual odors or sounds?
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