Introduction
The LEVOIT Core 300 Air Purifier is designed to improve indoor air quality by effectively removing allergens, dust, pet dander, smoke, and odors from your environment. Featuring a 360-degree air intake and a 3-in-1 filtration system, it provides comprehensive air purification for various spaces, including bedrooms, living rooms, and offices. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your air purifier.

Image: The LEVOIT Core 300 Air Purifier in white, shown alongside its replacement filter and packaging. The purifier has a cylindrical design with a perforated lower section for air intake and a top-mounted control panel and air outlet.
Setup
Before using your LEVOIT Core 300 Air Purifier, ensure proper setup to maximize its performance and longevity.
- Unpacking: Carefully remove the air purifier and all accessories from the packaging.
- Filter Installation:
- Turn the air purifier upside down.
- Twist the filter cover counter-clockwise to unlock and remove it.
- Remove the plastic packaging from the 3-in-1 True HEPA filter. It is crucial to remove this packaging before use.
- Place the filter back into the air purifier.
- Replace the filter cover and twist clockwise to lock it securely.
- Placement: Place the air purifier on a flat, stable surface, ensuring at least 15 inches (38 cm) of clearance on all sides for optimal air circulation.
- Power Connection: Plug the power cord into a standard electrical outlet.

Image: A LEVOIT Core 300 Air Purifier placed on a bedside table, demonstrating its compact size and how it integrates into a living space to improve indoor air quality. An original filter is shown in the foreground.
Operating Instructions
Your LEVOIT Core 300 Air Purifier features intuitive controls for easy operation.
- Power On/Off: Press the Power Button (
) to turn the unit on or off. - Fan Speed Adjustment: Press the Fan Speed Button (
) repeatedly to cycle through fan speeds: Low, Medium, High, and Sleep Mode.- Sleep Mode: Operates at a quiet 24dB for undisturbed rest.
- Timer Function: Press the Timer Button (
) to set the purifier to automatically turn off after 2, 4, or 8 hours. - Display Off: Press the Display Off Button (
) to turn off the display lights for a darker environment, especially useful during sleep. - Filter Reset Indicator: The filter indicator light will illuminate when it's time to check or replace the filter. After replacing the filter, press and hold the Filter Reset Button for 3 seconds to reset the indicator.

Image: A LEVOIT Core 300 Air Purifier operating in a bedroom at night, highlighting its quiet Sleep Mode, Display Off feature, and Timer function for reduced disturbances. The control panel lights are visible.
Maintenance
Regular maintenance ensures your air purifier continues to perform efficiently.
Filter Replacement
The LEVOIT Core 300 uses an exclusive 3-in-1 filter (Core 300-RF) that includes an ultra-fine pre-filter, an activated carbon filter, and a True HEPA filter. The filter should be replaced every 6-8 months, or when the filter indicator light illuminates.
- Unplug the air purifier from the power outlet.
- Turn the unit upside down and remove the filter cover.
- Remove the old filter and dispose of it properly.
- Insert a new LEVOIT Core 300-RF replacement filter (ensure plastic packaging is removed).
- Replace the filter cover and twist clockwise to lock.
- Plug in the air purifier and press and hold the Filter Reset Button for 3 seconds to reset the filter life indicator.
Cleaning the Unit
- Always unplug the air purifier before cleaning.
- Wipe the exterior of the unit with a soft, dry cloth.
- The pre-filter can be gently vacuumed to remove larger particles like dust and pet hair, extending the life of the filter. Do not wash the filter with water.

Image: A LEVOIT Core 300 Air Purifier in a room with a child and cat, illustrating its effectiveness against pet problems. A "Pet Allergy Filter" is shown, highlighting the specialized filtration options.

Image: A LEVOIT Core 300 Air Purifier in a living room setting, emphasizing its ability to eliminate smoke pollution. A "Smoke Remover Filter" is displayed, indicating specialized filter types for different needs.

Image: A LEVOIT Core 300 Air Purifier on a desk in an urban setting, highlighting its effectiveness against city pollution. A "Toxin Absorber Filter" is shown, demonstrating specialized filter options.
Troubleshooting
If you encounter issues with your air purifier, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Air Purifier does not turn on. | Not plugged in; power outage; filter cover not installed correctly. | Ensure the power cord is securely plugged in. Check for power outages. Reinstall the filter cover correctly. |
| Airflow is significantly reduced. | Filter is dirty or clogged. | Clean the pre-filter or replace the 3-in-1 filter. |
| Unusual noise. | Filter not installed correctly; foreign object inside. | Ensure the filter is securely in place. Unplug and check for any foreign objects. |
| Filter indicator light remains on after replacement. | Filter indicator not reset. | Press and hold the Filter Reset Button for 3 seconds to reset. |
Specifications
- Brand: LEVOIT
- Model: Core 300
- Color: White
- Package Dimensions: 16.3 x 10.12 x 9.92 inches
- Item Weight: 8.75 pounds
- Noise Level: 24 dB (Sleep Mode)
- Controller Type: Button Control
- Certifications: CARB Certified, Energy Star Certified
- Coverage Area: Cleans 1095 sq. ft. in 12 minutes (141 CFM CADR)
- Filtration: 3-in-1 Pre-Filter, True HEPA Filter, High-Efficiency Activated Carbon Filter
Warranty and Support
The LEVOIT Core 300 Air Purifier comes with a 2-year warranty. For any product support, technical assistance, or warranty claims, please contact LEVOIT customer service.
You can also refer to the official user manual PDF for more detailed information: LEVOIT Core 300 User Manual (PDF).





