1. Introduction
This manual provides instructions for the installation and maintenance of the Generic compatible replacement filter designed for Coway Airmega 300/300S and AP-1515H air purifiers. Proper installation and regular maintenance ensure optimal performance of your air purification system.
2. Compatibility
This replacement filter is specifically designed to be compatible with the following Coway Airmega air purifier models:
- Coway Airmega 300
- Coway Airmega 300S
- Coway Airmega AP-1515H
Important: Please verify your air purifier model number before purchasing and installing this replacement filter to ensure correct fit and function.
3. Product Features
This replacement filter incorporates advanced filtration technology to enhance indoor air quality:
- Dual Filtration Technology: Combines a HEPA layer and an activated carbon layer for comprehensive air purification.
- HEPA Filter: Designed to capture fine particulate matter, including dust, pollen, pet dander, and other airborne allergens.
- Activated Carbon Filter: Formulated to absorb odors, volatile organic compounds (VOCs), and other harmful gases.
- Optimized Airflow: Constructed to maintain proper air circulation within your air purifier while providing effective filtration.
- Durable Construction: Manufactured with quality materials for reliable and long-lasting performance.

Image 3.1: View of the HEPA filter side, showing the pleated green filter material designed to capture fine particles.

Image 3.2: View of the activated carbon filter side, featuring a honeycomb structure for odor absorption.

Image 3.3: Detailed close-up of the green pleated HEPA filter, highlighting the dense material for particle capture.
4. Installation (Filter Replacement)
Follow these steps to replace the filter in your Coway Airmega 300/300S or AP-1515H air purifier. This process is designed for easy installation without the need for special tools.
- Power Off and Unplug: Before beginning, ensure your air purifier is turned off and unplugged from the power outlet to prevent electrical hazards.
- Open the Air Purifier Cover: Refer to your air purifier's original manual for specific instructions on how to open the front or back cover to access the filter compartment. Typically, this involves releasing latches or clips.
- Remove Old Filters: Carefully remove the used HEPA and activated carbon filters from the air purifier. Note their orientation for correct installation of the new filter. Dispose of old filters according to local regulations.
- Unpack New Filter: Remove the new replacement filter from its protective packaging. Ensure all plastic wrapping is removed before installation.
- Insert New Filter: Place the new filter into the air purifier's filter compartment. Ensure the filter is oriented correctly, matching the position of the filter you removed. The HEPA side (green pleated) and activated carbon side (black honeycomb) should face the appropriate directions as indicated by your air purifier's design.
- Close the Cover: Securely close the air purifier cover, ensuring all latches or clips are engaged.
- Plug In and Power On: Plug the air purifier back into the power outlet and turn it on.
- Reset Filter Indicator (if applicable): If your air purifier has a filter replacement indicator light, consult your air purifier's manual for instructions on how to reset it. This usually involves pressing and holding a specific button for a few seconds.

Image 4.1: Top and bottom view of the filter, illustrating the distinct HEPA (green) and activated carbon (black) layers for proper orientation during installation.
5. Maintenance
Regular filter replacement is crucial for maintaining the efficiency and effectiveness of your air purifier. The lifespan of the filter can vary based on usage and air quality conditions.
- Replacement Schedule: It is generally recommended to replace the filter every 6 to 12 months, or as indicated by your air purifier's filter replacement indicator.
- Visual Inspection: Periodically inspect the filter for visible signs of dirt, dust accumulation, or discoloration. A heavily soiled filter indicates it's time for replacement.
- Do Not Wash: This filter is not washable. Attempting to wash or clean the filter will damage its filtration media and reduce its effectiveness.
- Disposal: Dispose of used filters responsibly according to local waste disposal guidelines.
6. Specifications
| Attribute | Detail |
|---|---|
| Model Number | HFBDDGDKC-1PC |
| Compatibility | Coway Airmega 300, 300S, AP-1515H |
| Filter Type | HEPA and Activated Carbon (2-in-1) |
| Product Dimensions | Approximately 3.94"D x 3.94"W x 3.94"H (Note: This dimension appears to be a placeholder. Please refer to your air purifier's original manual for exact filter dimensions.) |
| Manufacturer | Generic |
Note: Product dimensions provided are based on available data. Always cross-reference with your air purifier's requirements.
7. Troubleshooting
If you encounter issues after replacing your filter, consider the following:
- Air Purifier Not Turning On: Ensure the air purifier is properly plugged into a working outlet and the cover is securely closed. Some models have safety switches that prevent operation if the cover is open.
- Filter Indicator Light Still On: After replacing the filter, you may need to manually reset the filter indicator. Refer to your air purifier's original user manual for specific instructions on how to reset the filter life monitor.
- Reduced Airflow or Odors Persist:
- Verify the new filter was installed correctly and all packaging was removed.
- Check for any obstructions in the air intake or output vents of the air purifier.
- Ensure the filter is compatible with your specific air purifier model.
- If the filter is new, a slight initial odor from the activated carbon is normal and should dissipate quickly. If strong odors persist, the filter may be defective or the air quality issue is beyond the filter's capacity.
- Unusual Noise: Ensure the filter is seated correctly and not vibrating within the compartment.
For further assistance, consult your Coway Airmega air purifier's original user manual or contact the air purifier manufacturer's customer support.
8. Warranty and Support
This product is a generic compatible replacement filter. For specific warranty information regarding this replacement filter, please refer to the seller or retailer from whom it was purchased. The warranty for your Coway Airmega air purifier is provided by Coway and typically does not cover issues arising from the use of non-original replacement parts.
For support related to the performance or fit of this specific replacement filter, please contact the seller directly. For issues concerning your Coway Airmega air purifier unit itself, please contact Coway customer service.





