1. Safety Information
Please read all safety instructions carefully before using your Okaysou AirMax8L Air Purifier. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Electrical Safety: Always plug the unit into a grounded electrical outlet. Do not use with extension cords unless absolutely necessary and ensure it is rated for the appliance.
- Avoid Obstructions: Do not insert fingers or foreign objects into the air inlet or outlet. Keep the air inlet and outlet clear of clothing, curtains, or any other materials that could block airflow.
- Liquid Contact: Do not pour liquid into the machine to avoid electric shock, burning, and fire.
- Placement: Place the air purifier on a firm, level surface. Ensure adequate space around the unit for proper air circulation.
- Cleaning: Always unplug the air purifier before cleaning or performing any maintenance.
- Children and Pets: Keep the appliance out of reach of children and pets. Use the Child Lock feature to prevent accidental changes to settings.
2. Product Overview
The Okaysou AirMax8L is a powerful 5-in-1 air purifier designed for large rooms, effectively removing 99.97% of airborne pollutants. It features a multi-stage filtration system and user-friendly controls.
Key Features:
- 5-in-1 H13 True HEPA Filter System: Combines a Washable Pre-filter, H13 True HEPA Filter, Novel Blue Filter, Honeycomb Activated Carbon Filter, and Cold Catalyst Filter.
- High Performance: CADR of 210 m³/h, circulating air in 800 sq.ft. in one hour, 400 sq.ft. in 30 minutes, and 134 sq.ft. in 10 minutes.
- Quiet Operation: Features Silenceboost Technology with a lowest noise level of 22dB in Sleep Mode.
- User-Friendly Controls: Includes Sleep Mode, Timer Mode (1, 2, 4, or 8 hours), Child Lock, Filter Replacement Indicator, and 3 Fan Speed Settings.
Product Components:

The image above shows the overall design of the Okaysou AirMax8L air purifier, highlighting its sleek, white exterior and top control panel.

This diagram illustrates the five layers of filtration: Washable Pre-filter, H13 True HEPA Filter, Novel Blue Filter, Honeycomb Activated Carbon Filter, and Cold Catalyst Filter, working together to purify the air.
3. Setup
Follow these steps to set up your AirMax8L air purifier:
- Unpack the Unit: Carefully remove the air purifier from its packaging.
- Prepare Filters: Open the back cover of the unit. Remove all filters and unwrap them from their protective plastic packaging.
- Install Filters: Place the filters back into the unit in the correct order, ensuring they are securely seated. Close the back cover.
- Placement: Position the air purifier on a flat, stable surface in the desired room. Ensure there is at least 12 inches (30 cm) of space around the unit for optimal airflow.
- Power Connection: Plug the power cord into a standard electrical outlet.

This image demonstrates how to access the filter compartment on the back of the AirMax8L, which is necessary for unwrapping and installing the filters before first use.
4. Operating Instructions
The AirMax8L features an intuitive touch control panel on the top of the unit.
Control Panel Functions:
- Power Button (⏻): Press to turn the unit ON or OFF.
- Fan Speed Button (✇): Cycle through 3 fan speed settings (Low, Medium, High) to adjust airflow and purification intensity.
- Sleep Mode Button (☾): Activates a quiet operation mode (22dB) with dimmed display lights for undisturbed sleep. Press again to exit.
- Timer Button (◷): Set the unit to operate for a specific duration (1, 2, 4, or 8 hours) before automatically turning off.
- Child Lock Button (⚿): Press and hold to activate/deactivate the child lock, preventing accidental changes to settings.
- Filter Replacement Indicator: A light will illuminate to remind you when it's time to replace the filters.
This video provides a visual guide to the Okaysou AirMax8L's control panel, showing how to power the unit on/off, adjust fan speeds, set the timer, and engage the child lock. It also briefly highlights the filter system.

The image illustrates the AirMax8L's capacity to purify air in spaces up to 800 sq.ft. in 60 minutes, ensuring cleaner air throughout your home.

This image shows the air purifier in a bedroom setting, emphasizing its low noise level of 22dB in Sleep Mode, ideal for a peaceful night.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air purifier.
Filter Replacement:
- The Filter Replacement Indicator light will signal when it's time to change the filters.
- To replace, unplug the unit, open the back cover, and remove the old filter cartridge.
- Insert a new Okaysou AirMax8L filter cartridge, ensuring it fits snugly.
- Close the back cover and plug in the unit. Reset the filter indicator by pressing and holding the filter button for 3-5 seconds.
Pre-filter Cleaning:
- The pre-filter is washable. Periodically remove it and gently rinse under running water.
- Allow the pre-filter to air dry completely before reinserting it into the unit.

This visual demonstrates the significant improvement in air quality achieved by the AirMax8L, showing how it captures dust, smoke, and VOCs.
6. Troubleshooting
If you encounter issues with your AirMax8L, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Not plugged in; Power outage; Filters not installed correctly. | Check power cord connection; Verify power supply; Ensure filters are unwrapped and properly seated. |
| Reduced airflow or poor purification | Clogged filters; Air inlet/outlet blocked. | Clean or replace filters; Ensure no obstructions around the unit. |
| Unusual noise | Foreign object inside; Filters not seated correctly. | Unplug and check for obstructions; Re-seat filters properly. |
| Filter Replacement Indicator remains on after changing filters | Indicator not reset. | Press and hold the filter button for 3-5 seconds to reset. |
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions (D x W x H) | 7.1" x 12.9" x 19.4" |
| Item Weight | 11.65 Pounds |
| Power Source | Corded Electric |
| Control Method | Touch, Button Control |
| Filter Type | 5-in-1 H13 True HEPA Filter System (Washable Pre-filter, H13 True HEPA Filter, Novel Blue Filter, Honeycomb Activated Carbon Filter, Cold Catalyst Filter) |
| CADR | 210 m³/h |
| Recommended Floor Area | Up to 800 sq.ft. (1 air change per hour) |
| Noise Level | 22 Decibels (Sleep Mode) |
| Particle Retention Size | 0.3 Micron |
| Wattage | 50 watts |
| Certifications | CARB, CE, RoHS, ETL Listed |
| Ozone Emission | 100% Ozone-Free |

This image provides a clear visual representation of the AirMax8L's height, width, and depth, aiding in proper placement and space planning.
8. Warranty and Support
Okaysou stands behind the quality of its products.
- Warranty: The Okaysou AirMax8L Air Purifier comes with a 5-year warranty.
- Customer Support: Enjoy lifetime US-based customer support for any questions or assistance you may need.
For warranty claims or technical support, please visit the official Okaysou website or contact their customer service team directly.