Airthereal AGH400 Replacement Filters – H13 HEPA & Pet Odor Filters (2-Pack)

Maintain cleaner air and dependable filtration performance.

Keep your Airthereal Glory Days AGH400 Air Purifier operating efficiently with replacement filters designed specifically for your system. Available in H13 True HEPA and Pet Odor options, these filters help reduce airborne particles and common household odors for a fresher, more comfortable indoor environment.

Each convenient 2-pack provides replacement filters for ongoing maintenance and reliable air purification.

Choose Your Filter

H13 True HEPA Replacement Filters – 2-Pack

Designed for high-efficiency particle filtration, the H13 True HEPA replacement filters help maintain the performance of your Airthereal AGH400 air purifier.

• H13 True HEPA Filtration: Designed to capture fine airborne particles, including dust, pollen, and pet dander.

• Designed for AGH400: Specifically compatible with the Airthereal Glory Days AGH400 air purifier.

• Convenient 2-Pack: Includes two replacement filters for extended use.

• Reliable Performance: Helps maintain consistent airflow and filtration efficiency.

• Easy Installation: Simple replacement process for convenient routine maintenance.

Pet Odor Replacement Filters – 2-Pack

Designed for homes with pets, these replacement filters combine particle filtration with activated carbon to help reduce pet-related odors and airborne debris.

• 3-in-1 Filtration: Combines a pre-filter, HEPA filter, and activated carbon layer.

• Pet Odor Reduction: Activated carbon helps absorb common pet-related and household odors.

• Airborne Particle Filtration: Helps capture pet dander, dust, pollen, and other airborne particles.

• Designed for AGH400: Specifically compatible with the Airthereal Glory Days AGH400 air purifier.

• Convenient 2-Pack: Includes two complete replacement filter sets.

• Easy Installation: Designed for straightforward filter replacement.

When to Replace Your Filter

For consistent air purification performance, the manufacturer recommends replacing your AGH400 filter approximately every 6–8 months, depending on usage and indoor air quality.

The filter indicator will illuminate red when it's time to check or replace the filter.

Additional signs that replacement may be needed include:

• Reduced airflow

• Increased operating noise

• Visible dust or debris buildup on the filter

How to Replace Your Filter

1. Turn Off & Unplug: Disconnect the air purifier from its power source.

2. Remove the Top Unit: Rotate the upper section counterclockwise and lift it off.

3. Replace the Filter: Open the filter compartment, remove the used filter, and insert the new replacement filter after removing its packaging.

4. Reassemble: Align the top unit with the base and rotate clockwise until securely attached.

5. Reset the Indicator: Power on the purifier and press and hold the Filter button for 3 seconds to reset the replacement reminder.

Product Specifications

Important: These replacement filters are compatible only with the Airthereal AGH400 Glory Days Air Purifier. Select your preferred filter type before ordering. The air purifier unit is sold separately.

Shipping & Returns

Free Standard Shipping: Estimated delivery within 6–9 business days.

30-Day Returns: Returns are accepted within 30 days of delivery, subject to our return policy. Customers are responsible for return shipping unless the product arrives defective or incorrect.