Introduction
This manual provides comprehensive instructions for the Acekool B-D01 Air Purifier Replacement Filter. It covers product features, installation procedures, maintenance recommendations, and specifications to ensure proper use and optimal performance of your air purifier.

Image: The Acekool B-D01 Air Purifier Replacement Filter, a cylindrical filter with a black exterior and a visible honeycomb-patterned filtration layer.
Product Overview and Features
The Acekool B-D01 replacement filter is designed to maintain the peak performance of your Acekool B-D01 air purifier. It features a 3-stage filtration system engineered to capture various airborne particles and odors.
Key Features: 3-Stage Filtration
- Fine Preliminary Filter: Captures larger particles such as dust, lint, and pet fur, extending the life of subsequent filters.
- True HEPA Filter: Removes 99.97% of airborne particles as small as 0.3 microns, including pollen, dust mites, and pet dander.
- Activated Carbon Filter: Absorbs various household odors, smoke, cooking fumes, and volatile organic compounds (VOCs).

Image: A diagram illustrating the three stages of filtration: Fine Preliminary Filter for PM2.5, dust mites, and formaldehyde; True HEPA Filter for large particles and pollen; and Activated Carbon Filter for household odors, smoke, and fumes. An arrow indicates air flowing through these layers into the filter.
Compatibility
This replacement filter is exclusively designed for use with the Acekool B-D01 air purifier. Using genuine Acekool B-D01 replacement filters ensures optimal performance and maintains the warranty of your air purifier.

Image: A comparison showing 'Our Filter' (Acekool B-D01 filter with Pre-Filter, True HEPA, and Activated Carbon) next to 'Other Filter' (depicting only a Pre-Filter), emphasizing the comprehensive filtration of the Acekool product.
Installation and Replacement
Follow these steps to correctly replace the filter in your Acekool B-D01 air purifier:
- Step 1: Prepare the Air Purifier. Turn off and unplug the air purifier. Carefully turn the machine upside down.
- Step 2: Remove the Filter Cover. Twist the filter cover towards the left (counter-clockwise) to unlock and remove it.
- Step 3: Replace the Filter. Take out the old filter and dispose of it properly. Insert the new Acekool B-D01 replacement filter into the air purifier.
- Step 4: Secure the Cover. Place the filter cover back on and twist it towards the right (clockwise) until it is securely locked in place.

Image: A four-panel diagram illustrating the filter replacement process: 1. Turning the air purifier upside down and twisting the base left. 2. Removing the filter cover. 3. Taking out the old filter and inserting the new one. 4. Twisting the cover right to secure it.
Maintenance
Regular filter replacement is crucial for maintaining the efficiency and effectiveness of your air purifier. The filter cannot be washed or cleaned; it must be replaced.
Replacement Cycle:
- For optimal purification performance, it is recommended to replace the filter at least once every 3 to 6 months.
- The actual replacement frequency may vary depending on the intensity of usage and the air quality in your environment. In areas with higher pollution or frequent use, more frequent replacement may be necessary.
Specifications
| Model | B-D01 Replacement Filter |
| Filtration Type | 3-in-1 (Fine Preliminary, True HEPA, Activated Carbon) |
| Filtration Efficiency | Removes 99.97% of particles 0.3 microns and larger |
| Filter Size | Approximately 3.1 × 3.1 × 1.6 inches (8 × 8 × 4 cm) |
| Color | Black |
Troubleshooting
If you experience reduced air purification performance after replacing the filter, consider the following:
- Check Installation: Ensure the filter is correctly seated and the cover is securely locked. An improperly installed filter can lead to air leakage and reduced efficiency.
- Filter Orientation: Verify that the filter is inserted with the correct orientation as indicated in the installation steps.
- Air Purifier Functionality: Confirm that the air purifier itself is operating correctly. Refer to your air purifier's main user manual for device-specific troubleshooting.
- Filter Life: If the filter has been in use for an extended period beyond the recommended replacement cycle, its effectiveness will diminish. Replace with a new filter.





