Slevoo BS 14 & BS 3
Slevoo BS-14 & BS-03 Pro Air Purifiers User Manual
Models: BS 14 & BS 3
Introduction
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your Slevoo BS-14 and BS-03 Pro Air Purifiers. Please read this manual thoroughly before using the product and retain it for future reference.
Important Safety Information
- Read all instructions before use.
- Do not operate if the power cord or plug is damaged.
- Keep the appliance away from water or other liquids.
- Do not block air inlets or outlets.
- Unplug before cleaning or maintenance.
- This appliance is for indoor use only.
Product Overview
Familiarize yourself with the components of your Slevoo Air Purifier.
Slevoo BS-14 (Larger Unit)

Image: Front view of the Slevoo BS-14 air purifier, showing the control panel with buttons for On/Off, Filter Reset, Auto, Speed, Timer, Child Lock, Ion, and Light.
- Control Panel: On/Off, Filter Reset, Auto Mode, Fan Speed, Timer, Child Lock, Ionizer, Light.
- Air Inlet/Outlet: For air circulation.
- Filter Compartment: Houses the multi-stage filtration system.
Slevoo BS-03 Pro (Smaller Unit)

Image: Top-down view of the Slevoo BS-03 Pro air purifier, showing the circular control panel with buttons for power, fan speed, timer, and light, along with an aromatherapy box.
- Control Panel: Power, Fan Speed (S, L, M, H), Timer (2H, 4H, 6H, 8H), Light.
- Aromatherapy Box: For adding essential oils.
Setup
- Unpacking: Carefully remove the air purifier from its packaging.
- Filter Installation:
For BS-14: Open the filter cover, remove the plastic packaging from the filter, and reinsert the filter. Close the cover securely.
For BS-03 Pro: Unscrew the base, remove the plastic packaging from the filter, and reinsert the filter. Secure the base.
Image: Exploded view diagram illustrating the H13 True HEPA 4-stage filtration system of the Slevoo BS-14, including Fine Pre-filter, H13 True HEPA Filter, Higher Efficiency Honeycomb Activated Carbon Filter, and Ionizer.

Image: Exploded view diagram illustrating the High Efficiency 3-in-1 HEPA Filter of the Slevoo BS-03 Pro, including Pre-Filter, H13 True HEPA Filter, and Activated Carbon Filter.
- Placement: Place the air purifier on a flat, stable surface, ensuring adequate space around the air inlets and outlets for optimal air circulation.
- Power Connection: Plug the power cord into a standard electrical outlet.
Operating Instructions
General Operation
- Power On/Off: Press the "On/Off" button to turn the unit on or off.
- Fan Speed Adjustment: Press the "Speed" button (BS-14) or "Fan Speed" button (BS-03 Pro) to cycle through available fan speeds (Low, Medium, High). The BS-03 Pro also has "S" (Sleep) mode.
- Timer Function: Press the "Timer" button to set the auto-off timer (e.g., 2H, 4H, 6H, 8H).
- Light Control: Press the "Light" button to turn the ambient light on or off.
Specific Features (BS-14)
- Auto Mode: Press "Auto" to enable automatic fan speed adjustment based on detected air quality.

Image: Diagram illustrating how the smart sensor monitors air quality levels (Great, Average, Poor) and adjusts fan speed accordingly.
- Child Lock: Press and hold the "Child Lock" button to activate or deactivate the child lock function, preventing accidental changes to settings.
- Ionizer: Press "Ion" to turn the ionizer function on or off. This feature helps neutralize dust particles.
Aromatherapy Function (BS-03 Pro)
The BS-03 Pro features an aromatherapy box for essential oils.
- Rotate the aromatherapy box cover on the top of the unit to open it.
- Add a few drops of your favorite essential oil onto the aroma pad (essential oil not included).
- Rotate the cover back to close the aromatherapy box.

Image: Three-step visual guide demonstrating how to open the aromatherapy box, add essential oil, and close the box on the Slevoo BS-03 Pro.
Maintenance
Filter Replacement
The air purifier is equipped with a filter change reminder. When the indicator lights up or beeps, it's time to replace the filter.
- Unplug the air purifier from the power outlet.
- Open the filter compartment (refer to "Setup" section for specific model).
- Remove the old filter and dispose of it properly.
- Insert a new Slevoo replacement filter, ensuring it is correctly oriented.
- Close the filter compartment.
- Plug in the air purifier.
- Press and hold the "Filter Reset" button (BS-14) or the power button for 5 seconds (BS-03 Pro) to reset the filter life indicator.
Cleaning
- Exterior: Wipe the exterior of the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Air Inlets/Outlets: Use a soft brush or vacuum cleaner with a brush attachment to gently clean dust from the air inlets and outlets.
- Aroma Pad (BS-03 Pro): If using essential oils, clean the aroma pad regularly with a damp cloth and allow it to dry completely before reuse.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Not plugged in; Power outage; Damaged power cord | Check power connection; Check circuit breaker; Contact customer support |
| Poor air purification | Clogged filter; Incorrect filter installation; Room size too large | Replace filter; Reinstall filter correctly; Ensure unit is suitable for room size |
| Unusual noise | Obstruction in fan; Unit not on a flat surface | Check for obstructions; Place on a stable surface |
| Filter indicator remains on after replacement | Filter reset not performed | Perform filter reset as per "Maintenance" section |
Specifications
| Feature | Detail |
|---|---|
| Model Numbers | BS 14 & BS 3 |
| Brand | Slevoo |
| Filtration System | H13 True HEPA 3-stage/4-stage |
| Controller Type | Button Control |
| Color | White |
| Noise Level | As low as 22dB (low speed) |
| Coverage | Up to 310 sq ft (1X ACH) |
| Features | Timer, Auto Mode (BS-14), Child Lock (BS-14), Ionizer (BS-14), Aromatherapy (BS-03 Pro), Filter Change Reminder |
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact Slevoo customer service directly. Keep your purchase receipt as proof of purchase.
For further assistance, visit the official Slevoo website or contact their support team.
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