1. Introduction
The Slevoo Air Purifier BS-03 is designed to improve indoor air quality by effectively capturing airborne particles and eliminating odors. Featuring a compact and efficient design, it is suitable for various spaces in your home.

Figure 1.1: Slevoo Air Purifier BS-03
Key Features:
- Higher-Efficiency 3-Stage Filtration System: Includes a Pre-Cleaning Layer, H13 True HEPA Layer, and Activated Carbon Layer to capture fine particles, smoke, pet hair, and odors.
- Fragrance Sponge Design: Allows for the addition of essential oils (not included) to the sponge material below the air outlet for a pleasant aroma.
- Circular Design for 360° Coverage: Unique top air outlet leaning on the front for direct airflow, combined with a cylindrical base for efficient air circulation.
- Energy Efficient: Operates with low power consumption (7 to 18 watts) and a low noise level (24-50 dB).
- User-Friendly & Safe Operation: Features Child Lock, Filter Replacement Reminder, and Reset Function.
2. Setup
2.1 Unpacking and Filter Preparation
- Carefully remove the air purifier from its packaging.
- Unscrew the bottom cover of the unit.
- Remove the filter, which is typically wrapped in plastic for shipping.
- Remove all plastic packaging from the filter.
- Place the unwrapped filter back into the unit, ensuring it is seated correctly.
- Screw the bottom cover back on securely.

Figure 2.1: Filter Removal and Installation
2.2 Placement and Power Connection
- Place the air purifier on a flat, stable surface. Ensure there is at least 11.8 inches (30cm) of clearance from any walls or furniture to allow for optimal airflow.
- Plug the power adapter into the back of the air purifier and then into a standard electrical outlet.
3. Operating Instructions
3.1 Control Panel Overview

Figure 3.1: Control Panel
- Power Button: Tap to turn the air purifier ON/OFF.
- Fan Speed: Tap the 'Speed' button to cycle through fan speeds (1, 2, 3).
- Sleep Mode: Tap the 'Sleep' button (often indicated by a moon icon) for quiet operation, reducing fan speed and noise level.
- Timer: Tap the 'Timer' button to set the operating duration (6h, 12h, 24h). The unit will automatically turn off after the selected time.
- Light Control: Tap the 'Light' button to turn the ambient light ON/OFF.
- Child Lock: Hold the 'Lock' button for 3-5 seconds to activate or deactivate the child lock, preventing accidental changes to settings.
3.2 Aromatherapy Function
The Slevoo Air Purifier includes a fragrance sponge design to allow for the diffusion of essential oils.
- Locate the aromatherapy sponge compartment below the air outlet on the top of the unit.
- Add a few drops of your preferred essential oil (not included) onto the sponge.
- Close the compartment. The aroma will be diffused with the purified air.

Figure 3.2: Aromatherapy Feature
4. Maintenance
4.1 Filter Replacement
The air purifier is equipped with a filter replacement reminder. The unit monitors the filter status automatically, and a light indicator will illuminate when replacement is needed. The actual lifespan of the filter depends on usage frequency and air quality.
- When the filter replacement indicator lights up (typically red), it's time to replace the filter.
- Turn off and unplug the air purifier.
- Unscrew the bottom cover and remove the old filter.
- Insert a new Slevoo BS-03 replacement filter (sold separately) into the unit.
- Screw the bottom cover back on.
- Plug in the air purifier and press the 'Reset' button for 5 seconds to deactivate the alert. The indicator light will turn blue, signifying the reset is complete.
4.2 Cleaning the Unit
- Wipe the exterior of the air purifier with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
5. Troubleshooting
- Unit does not turn on after power outage: The unit does not automatically resume operation after a power interruption. Manually press the power button to restart.
- Grinding sound on low speed: If the unit produces a grinding sound on low speed, it may indicate a mechanical issue. Contact customer support for assistance.
- Filter Replacement Indicator remains on after changing filter: Ensure you have pressed and held the 'Reset' button for 5 seconds after installing the new filter.
6. Specifications
| Product Dimensions | 6.3 x 6.3 x 11.4 inches; 1.42 Pounds |
| Item Model Number | BS-03 |
| Floor Area Coverage | Up to 215 Square Feet |
| Noise Level | 24-50 dB |
| Power Consumption | 7 to 18 watts |
| Filtration System | 3-Stage (Pre-Cleaning, H13 True HEPA, Activated Carbon) |
| Certification | CARB Certified |
7. Warranty and Support
Specific warranty details are not provided in the product information. However, extended protection plans may be available for purchase from the retailer.
Slevoo is a company founded in 2017. For customer support or inquiries, please refer to the contact information provided with your purchase or on the official Slevoo website.