1. Introduction
The AIRTOK KQ-31 Air Purifier is designed to improve indoor air quality by filtering out various airborne particles. It features a 360-degree air intake system, a multi-layer H13 HEPA filtration system, and an aromatherapy function. This manual provides essential information for the safe and effective use of your air purifier.

Image: The AIRTOK KQ-31 Air Purifier, illustrating its compact design and air circulation.
Key Features:
- 360° Air Intake: Circulates and purifies air in all directions, suitable for rooms up to 35m² (355 sq ft).
- H13 HEPA 4-in-1 Filtration: Effectively removes 99.97% of dust, pollen, smoke, and pet odors.
- Quiet Operation: Operates at a low noise level of 25 dB in Sleep mode.
- Energy Efficient: Consumes 5W in 'Cozy' fan speed mode.
- Aromatherapy Function: Includes a sponge for adding essential oils (not included).
- Three Fan Speeds: Sleep, Cozy, and Turbo modes.
2. Package Contents
Please check the package for the following items:
- AIRTOK KQ-31 Air Purifier Unit
- H13 HEPA Filter (pre-installed or separately packaged)
- Power Adapter
- Aromatherapy Pads (quantity may vary)
- User Manual
3. Setup
- Unpack the Unit: Carefully remove the air purifier and all accessories from the packaging.
- Install/Check Filter: The power adapter is located inside the air purifier, within the filter. To access it, turn the unit upside down. Rotate the bottom cover counter-clockwise to unlock and remove it. Take out the filter and remove the power adapter. Ensure the filter is unwrapped (if applicable) and correctly placed back into the unit. Replace the bottom cover and rotate clockwise to lock it.
- Placement: Place the air purifier on a flat, stable surface. Ensure there is at least 15 cm (6 inches) of space around all sides for optimal air circulation.
- Connect Power: Plug the power adapter into the air purifier and then into a suitable electrical outlet.

Image: Illustration of the 4-layer H13 HEPA filtration system, including pre-filter, blue nano nylon, H13 HEPA layer, and activated carbon layer.
4. Operating Instructions
Power On/Off:
- To turn the unit ON or OFF, long press the power touch area on the top panel.
Fan Speed Selection:
- Once powered on, click the power touch area to cycle through the three fan speeds: Sleep, Cozy, and Turbo.
- The indicator lights (Sleep, Cozy, Turbo) will illuminate to show the currently selected speed.
- Sleep Mode: Operates at 25 dB for quiet purification during rest.

Image: Visual guide to the touch controls: long press for power, click for fan speed, and flashing lights indicating filter replacement.
Aromatherapy Function:
- Locate the aromatherapy sponge compartment on the top of the unit.
- Add a few drops of your preferred essential oil (not included) onto the aromatherapy sponge.
- The air purifier's airflow will diffuse the fragrance throughout the room.

Image: Instructions for using the aromatherapy feature by adding essential oils to the designated sponge area.
5. Maintenance
Filter Replacement:
The air purifier's performance depends on the condition of its filter. It is recommended to replace the filter every 3 to 4 months, or when the three indicator lights on the control panel flash simultaneously.
- Turn off and unplug the air purifier.
- Turn the unit upside down and rotate the bottom cover counter-clockwise to unlock and remove it.
- Carefully remove the old filter.
- Insert a new AIRTOK KQ-31 replacement filter (ASIN: B0C3CNSRPS) into the unit. Ensure it is seated correctly.
- Replace the bottom cover and rotate clockwise to lock it.
- Plug in and power on the unit. Reset the filter indicator by long-pressing the power button for 5 seconds until the lights stop flashing.

Image: The AIRTOK KQ-31 Air Purifier with a visual representation of the correct replacement filter (ASIN: B0C3CNSRPS).
Cleaning:
- Always unplug the air purifier before cleaning.
- Wipe the exterior of the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- The pre-filter layer of the HEPA filter can be gently vacuumed to remove larger dust particles, but the entire filter should not be washed with water.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Not plugged in; Power adapter not connected; No power from outlet. | Ensure the power adapter is securely connected to the unit and the wall outlet. Check if the outlet is functional. Verify the adapter was removed from inside the filter during initial setup. |
| Indicator lights are flashing | Filter needs replacement. | Replace the H13 HEPA filter (ASIN: B0C3CNSRPS) and reset the filter indicator by long-pressing the power button for 5 seconds. |
| Unusual or loud noise during operation | Filter not installed correctly; Obstruction in fan; Unit on uneven surface. | Check if the filter is properly seated and the bottom cover is securely locked. Ensure no foreign objects are obstructing the air intake or fan. Place the unit on a stable, flat surface. |
| Reduced airflow or purification effectiveness | Clogged filter; Unit placed too close to walls/objects. | Replace the filter if it's old or visibly dirty. Ensure adequate space around the unit for proper air intake and output. |
7. Specifications
| Feature | Specification |
|---|---|
| Brand | AIRTOK |
| Model | KQ-31 |
| Color | White |
| Dimensions (L x W x H) | 18 x 18 x 28 cm |
| Weight | 1.1 kg |
| Wattage | 5 watts (Cozy mode) |
| Material | Plastic |
| Noise Level | 25 Decibels (Sleep mode) |
| Coverage Area | Up to 35 m² (355 sq ft) |
| Filter Type | H13 HEPA 4-in-1 Filter |
| Filter Replacement ASIN | B0C3CNSRPS |
8. Warranty and Support
For any questions regarding your AIRTOK KQ-31 Air Purifier, please do not hesitate to contact AIRTOK customer support. Specific warranty details may vary by region and purchase point; please refer to your purchase documentation for more information.
For replacement filters, please search for ASIN: B0C3CNSRPS.





