Introduction
This manual provides essential information for the proper use and maintenance of your Ecleanfy Cayman 608/320 Air Purifier Replacement Filters. These filters are designed to be fully compatible with Okaysou Cayman 608 and Cayman 320 air purifiers, ensuring optimal performance and air quality.
The Ecleanfy Cayman 608/320 filter features a 3-in-1 filtration system, including a Pre-Filter, H13 True HEPA Filter, and a High-Efficiency Activated Carbon Filter, engineered to capture various airborne particles and odors.
Product Overview and Features

Figure 1: Two Ecleanfy Cayman 608/320 replacement air purifier filters, showcasing their cylindrical design and pleated filtration material.

Figure 2: Ecleanfy Cayman 608/320 filters positioned alongside an Okaysou air purifier, demonstrating their intended compatibility.
The Ecleanfy Cayman 608/320 filter is engineered for high efficiency, featuring a multi-stage filtration system:
- Non-woven Fabric Pre-Filter: Designed to capture larger particles such as hair, lint, fibers, and pet fur, extending the life of subsequent filters.
- H13 True HEPA Filter: Captures 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, pet dander, and smoke.
- Honeycomb Active Carbon Filter: Absorbs various odors, fumes, and gases, including household odors, cooking smells, and volatile organic compounds (VOCs).

Figure 3: Exploded view diagram detailing the three distinct filtration layers within the Ecleanfy Cayman 608/320 filter.

Figure 4: Dimensional specifications of the Ecleanfy Cayman 608/320 filter, showing its height and diameter.
Installation and Replacement
The Ecleanfy Cayman 608/320 replacement filters are designed for easy installation without the need for special tools. Refer to your Okaysou Cayman 608 or Cayman 320 air purifier's user manual for specific instructions on how to open the unit and access the filter compartment.
- Ensure the air purifier is turned off and unplugged from the power outlet before beginning the replacement process.
- Locate and open the filter compartment of your Okaysou air purifier.
- Carefully remove the old filter. It is recommended to place the used filter in a plastic bag to prevent dust and allergens from re-entering the air.
- Unpack the new Ecleanfy Cayman 608/320 filter from its protective packaging.
- Insert the new filter into the air purifier, ensuring it is seated correctly and securely.
- Close the filter compartment cover.
- Plug the air purifier back into the power outlet and turn it on. Reset the filter life indicator if your air purifier model has this feature.
Video 1: An official video from Ecleanfy USA demonstrating the features and potentially the installation process of the Cayman 608/320 filter. This video highlights the quality and design of the filter.
Maintenance and Filter Life
The lifespan of your Ecleanfy Cayman 608/320 filter depends on various factors, including the frequency of air purifier use and the air quality in your environment. In areas with higher pollution levels, more frequent filter replacement may be necessary.
- Regularly check the filter for visible signs of dirt or discoloration.
- Follow the filter replacement indicators on your Okaysou air purifier, if available.
- It is generally recommended to replace the filter every 6-8 months under normal operating conditions to maintain optimal air purification performance.
- Do not attempt to wash or clean the filter, as this can damage the filtration media and reduce its effectiveness. The filters are designed for replacement.
Specifications
| Attribute | Detail |
|---|---|
| Brand | Ecleanfy |
| Model Number | Cayman 608/320 |
| Compatible Devices | Okaysou Cayman 608 Air Purifier, Okaysou Cayman 320 Air Purifier |
| Filtration Type | 3-in-1 (Pre-Filter, H13 True HEPA Filter, High-Efficiency Activated Carbon Filter) |
| Particle Removal Efficiency | 99.97% of particles down to 0.3 microns |
| Item Weight | 2.43 pounds (approx. 1.11 kg) |
| Product Dimensions | 7.48 x 7.08 x 7.48 inches (L x W x H) |
| Material Type | Pre-Filter + H13 Filter + High-Efficiency Activated Carbon Filter |
| MERV Rating | 13 |
| Unit Count | 2.0 Count (per package) |
Troubleshooting
If you encounter issues with your Ecleanfy Cayman 608/320 replacement filter, consider the following common points:
- Poor Airflow or Odor Persistence: This often indicates that the filter is clogged and needs replacement. Ensure the new filter is properly seated and the air purifier's filter reset indicator (if applicable) has been cleared.
- Filter Not Fitting: Double-check that you have purchased the correct model filter (Cayman 608/320) for your specific Okaysou air purifier model. Ensure the filter is oriented correctly according to your air purifier's instructions.
- Air Purifier Not Turning On After Replacement: Verify that the filter compartment cover is securely closed. Many air purifiers have a safety mechanism that prevents operation if the cover is not properly latched.
Warranty and Support
Ecleanfy is committed to providing high-quality products and efficient customer service. We offer a 90-day warranty or refund for each customer. If you have any questions, concerns, or require assistance with your Cayman 608/320 replacement filter, please do not hesitate to contact the seller directly through the platform where you made your purchase. Our after-sales team is dedicated to ensuring customer satisfaction and helping to create a better living environment.
For further assistance, please refer to the contact information provided with your purchase or visit the official Ecleanfy store page.





