Introduction
This manual provides instructions for the installation, maintenance, and general use of your GoKBNY 2-in-1 Replacement Filter. This filter is designed to enhance air quality in your home or office by effectively capturing airborne particles and odors.
Compatibility
The GoKBNY 2-in-1 Replacement Filter is compatible with the following air purifier models:
- Bionaire Purifiers: BAP9700, BAP520, BAP9435
- Holmes Purifiers: HAP1702, HAP9422, HAP9423, HAP9424, HAP9425

Image: Compatibility List for GoKBNY 2-in-1 High-Efficiency Filter. This image displays a table listing compatible Bionaire and Holmes air purifier models, along with visual examples of some of these purifiers.
Product Features
2-in-1 Filter Design
This replacement filter features an upgraded 2-in-1 design, combining multiple filtration stages into a single unit. This design simplifies the replacement process, saving time and effort compared to systems requiring separate filter components.

Image: 2-in-1 Filter Design. This image illustrates how one GoKBNY filter replaces two standard filters, simplifying installation and maintenance.
High-Efficiency Filtration System
The filter incorporates a multi-stage filtration system to capture a wide range of airborne contaminants:
- Activated Carbon Filter: Designed to absorb household odors such as cooking odors, pet odors, smoke, and volatile organic compounds (VOCs).
- H13 True HEPA Filter: This layer is engineered to remove 99.97% of airborne particles down to 0.3 microns in diameter, including pollen, pet dander, dust, and fine particles from sources like wildfire smoke.

Image: Powerful Filtration Layers. This diagram shows the Activated Carbon and H13 True HEPA filter layers working in sequence to purify air.

Image: H13 True HEPA Filter Function. This image highlights the H13 True HEPA layer's effectiveness in capturing microscopic particles like pollen, pet dander, dust, and wildfire smoke.

Image: Activated Carbon Filter Function. This image details how the activated carbon layer absorbs various household odors and volatile organic compounds (VOCs).
Setup: Installation Instructions
Follow these general steps to install your new GoKBNY replacement filter. Refer to your specific air purifier's user manual for detailed instructions on opening the unit and accessing the filter compartment.
- Power Off: Ensure your air purifier is turned off and unplugged from the power outlet before beginning installation.
- Access Filter Compartment: Open the filter compartment cover of your air purifier. This usually involves unlatching a panel or removing a grill.
- Remove Old Filter: Carefully remove the used filter. Dispose of it according to local regulations.
- Unpack New Filter: Remove the new GoKBNY 2-in-1 Replacement Filter from its protective packaging.
- Insert New Filter: Insert the new filter into the compartment. Ensure it is oriented correctly, typically indicated by arrows on the filter or markings within the purifier. The 2-in-1 design means only one filter unit is needed.
- Close Compartment: Securely close the filter compartment cover.
- Restore Power: 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, follow your purifier's instructions to reset it.
Operating Your Air Purifier with the New Filter
Once the new filter is installed, your air purifier is ready for operation. The GoKBNY 2-in-1 filter is designed to provide continuous air purification, removing particles and odors from the air in your environment.
- Ensure the air purifier is placed in an area with good air circulation, away from walls or furniture that might obstruct airflow.
- Operate the air purifier according to its manufacturer's instructions for optimal performance.

Image: Air Filter for Various Protection. This image demonstrates the filter's suitability for use in various indoor environments such as living rooms, bedrooms, kitchens, and offices.

Image: Superior Performance Overview. This graphic summarizes the filter's effectiveness against common indoor air pollutants including dust, smoke, pet dander, cooking odors, pollen, and particles from forest fires.
Maintenance
Regular filter replacement is crucial for maintaining the high performance of your air purifier and ensuring optimal air quality.
- Replacement Frequency: It is recommended to replace the GoKBNY 2-in-1 Replacement Filter every 3-4 months. This timeframe may vary depending on air quality, usage frequency, and the presence of pets or smokers in the environment.
- Filter Indicator: Pay attention to your air purifier's filter replacement indicator light, if equipped. Always reset the indicator after installing a new filter.
Troubleshooting
If you encounter issues after installing your new filter, consider the following:
- Filter Not Fitting Correctly:
- Double-check the compatibility list to ensure your air purifier model is supported.
- Verify the filter orientation. Some filters have a specific direction for insertion.
- Ensure the filter is fully seated in its compartment and the cover is securely closed.
- Unusual Odor After Installation:
- A new filter, especially one with activated carbon, may emit a slight, temporary odor when first used. This should dissipate within a few hours of operation.
- If the odor persists or is strong, ensure the filter was removed from all plastic packaging before installation.
- Reduced Airflow or Performance:
- Confirm the filter is installed correctly and not obstructing the air intake or output.
- Ensure the air purifier's filter indicator has been reset, if applicable.
Specifications
| Model Number | f-9424-2 |
| Brand | GoKBNY |
| Filter Type | 2-in-1 (Activated Carbon + H13 True HEPA) |
| Recommended Replacement | Every 3-4 months |
| Package Dimensions | 20.75 x 5 x 2.5 inches |
| Item Weight | 16 ounces |
Support
For any questions regarding your GoKBNY 2-in-1 Replacement Filter, please refer to the contact information provided by your retailer or the manufacturer. Ensure you have your product model number (f-9424-2) available when seeking support.