1. Product Overview
The Nispira A/D/H replacement filter is designed to enhance air quality in compatible air purifiers. This filter combines True HEPA filtration with an activated carbon pre-filter to address various airborne particles and odors.

Image 1.1: Nispira A/D/H Replacement Filter (front view).
Key Features:
- True HEPA Filtration: Captures up to 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, pet dander, and smoke.
- Activated Carbon Pre-filter: Reduces common household odors from pets, cooking, smoking, and chemicals.
- Dimensions: Approximately 10"L x 4.65"W x 1.5"Th.

Image 1.2: Illustration of the Activated Carbon Pre-filter and True HEPA Filter layers.
2. Compatibility
This Nispira replacement filter is compatible with the following air purifier models:
- Filtrete Air Purifier FAP-TT-ADH
- Honeywell Air Purifier HPA060(BWM)
- Holmes Air Purifier HAP9243
- Holmes Air Purifier HAP9415
- Holmes Air Purifier HAP9423
This filter is designed as a replacement for Part FAPF-HM-AO.

Image 2.1: Visual representation of compatible air purifier models.
3. Installation Instructions
Follow these steps to replace the air filter in your compatible air purifier:
- Power Off: Ensure your air purifier is turned off and unplugged from the power outlet before beginning installation.
- Locate Filter Compartment: Refer to your air purifier's original manual to locate and open the filter access compartment. This is typically on the back or side of the unit.
- Remove Old Filter: Carefully remove the used filter. Dispose of the old filter according to local regulations.
- Insert New Filter: Unpack the new Nispira replacement filter. Insert the filter into the compartment, ensuring it is oriented correctly. Some filters have an airflow arrow indicating direction.
- Close Compartment: Securely close the filter access compartment. Ensure it latches properly. Note: Some users have reported that replacement filters may require a slight additional effort to close the compartment due to minor size variations.
- Restore Power: Plug the air purifier back into the power outlet and turn it on.

Image 3.1: Example of filter installation into an air purifier unit.
4. Operating the Filter (Within Air Purifier)
Once installed, the Nispira replacement filter operates automatically as part of your air purifier's system. The air purifier draws in air, which passes through the activated carbon pre-filter to capture larger particles and odors, then through the True HEPA filter to capture fine airborne contaminants. Ensure your air purifier is running according to its manufacturer's instructions for optimal filtration.
5. Maintenance and Replacement Schedule
For optimal performance and air quality, it is recommended to replace the Nispira filter every 6 months. This duration may vary depending on air quality, usage frequency, and the presence of pets or smokers in the environment. Regularly check your air purifier's indicator light, if available, for filter replacement reminders.
6. Troubleshooting
Filter Compartment Does Not Close Easily:
If the filter compartment of your air purifier is difficult to close after installing the new Nispira filter, ensure the filter is seated correctly and not obstructed. Some replacement filters may have minor dimensional differences compared to original equipment manufacturer (OEM) filters, potentially requiring a slight increase in effort to secure the compartment. Verify that the filter is fully inserted and aligned before attempting to close the cover firmly.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Nispira |
| Model Number | HBTTADH |
| Material | Carbon Fiber, HEPA type, Meltblown Fiber |
| Product Dimensions (L x W x Th) | 10" x 4.65" x 1.5" |
| MERV Rating | 13 |
| Filter Shape | Rectangular |
| Air Filter Construction | Pleated |
| UPC | 810701037522 |
| Compatible Air Purifiers | Filtrete FAP-TT-ADH, Holmes HAP9243, HAP9415, HAP9423, Honeywell HPA060(BWM) |

Image 7.1: Filter dimensions.
8. Support
For further assistance or inquiries regarding your Nispira replacement filters, please contact Nispira customer support through their official channels or visit their brand store online.
Nispira Brand Store: https://www.amazon.com/stores/Nispira/page/96BF9E8D-D39B-4D3D-ABD1-91E1ECF38C9B