Levoit Core 300 air purifier
- Category
- Air purifiers
- Model number
- Core 300, Core 300-RAC
- Region
- United States
- Verified
- Check Filter Indicator
- Air purifier will not turn on or respond to buttons
- Airflow is significantly reduced
- Air purifier makes an unusual noise while the fan is on
- Strange smell coming from the air purifier
- Poor air purification quality
- How to reset the Check Filter Indicator
- How to replace the filter
- How to clean the pre-filter
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Indicator lights
| Indicator | Meaning | Checks |
|---|---|---|
| Check Filter Indicator | A reminder to check the filter. It lights within 6 to 8 months of use, sooner with heavy use and later with light use. | 2 causes |
Problems
- Air purifier will not turn on or respond to buttons3 causes in the manual. First: the purifier is not receiving power: it is unplugged or the power cord is damaged.
- Airflow is significantly reduced2 causes in the manual. First: the filter is still in its plastic packaging, sits wrongly, or the pre-filter is clogged with hair or lint.
- Air purifier makes an unusual noise while the fan is on3 causes in the manual. First: the filter is out of position or the purifier stands on an uneven surface.
- Strange smell coming from the air purifierThe filter needs cleaning or replacing, or the purifier runs in a humid room or near diffused essential oils.
- Poor air purification quality2 causes in the manual. First: the room is larger than 219 ft² (20 m²), so purification takes longer.
Strange smell coming from the air purifier
The filter needs cleaning or replacing, or the purifier runs in a humid room or near diffused essential oils. Source: Troubleshooting; Customer Support, pp. 13, 18
- Clean the filter, or replace it if necessary. See Clean the pre-filter.
- Do not use the purifier in an area with high humidity or while diffusing essential oils.
Levoit Customer Support Contact Levoit Customer Support: 1-888-726-8520. Contact: 1-888-726-8520 or support.levoit.com.
How-to
- How to reset the Check Filter IndicatorAfter replacing the filter while the indicator is lit, or after replacing it before the indicator lit.
- How to replace the filterWhen the Check Filter Indicator lights and the filter is clogged, noisy or loses airflow, or every 6 to 8 months.
- How to clean the pre-filterEvery 2 to 4 weeks.
Maintenance
| Task | When | Source |
|---|---|---|
| Clean the pre-filter with a soft brush or vacuum hose | Every 2 to 4 weeks | Source: Care & Maintenance, p. 11 |
| Replace the filter | Every 6 to 8 months, earlier in a polluted environment | Source: Care & Maintenance (cont.), p. 12 |
| Wipe the outside with a soft, dry cloth, or a damp cloth dried at once, and vacuum the inside. No abrasive chemicals or flammable cleaning agents. | Source: Care & Maintenance, p. 11 |
Settings
| Setting | Options | Notes | Source |
|---|---|---|---|
| Fan speed | I (low), II (medium), III (high) | The start-up instructions specify level I. Level III is the loudest and cleans fastest. Run it for 15 to 20 minutes to address smoke before dropping to a lower speed. | Source: Using your air purifier, p. 8 |
| Sleep Mode | Tap the Sleep Mode button | Uses the lowest fan speed and halves indicator brightness. Tapping Fan Speed exits it. | Source: Using your air purifier, p. 8 |
| Timer | 2, 4, 6 or 8 hours; tap the Timer button until the wanted time is selected | The purifier turns off when the timer ends. Tap the button until all timer indicators are off to cancel. | Source: Using your air purifier (cont.), p. 9 |
| Display Lock | Hold the Display Lock button for 3 seconds | Buttons ignore taps. The display can still be switched on and off. | Source: Using your air purifier (cont.), p. 9 |
| Memory | Automatic | While plugged in, the purifier remembers its previous fan speed. It does not remember the timer or Sleep Mode. | Source: Using your air purifier, p. 8 |
Parts and consumables
| Item | Part number | Replace or refill | Specification | Source |
|---|---|---|---|---|
| Core 300-P-RF replacement filter | Core 300-P-RF | 6 to 8 months | Levoit replacement filter listed in the manual; the purifier ships with an Original Filter | Source: Levoit Replacement Filters, pp. 10, 12 |
| Core 300-P-RF-PA replacement filter | Core 300-P-RF-PA | – | Levoit replacement filter listed in the manual | Source: Levoit Replacement Filters, p. 10 |
| Core 300-P-RF-TX replacement filter | Core 300-P-RF-TX | – | Levoit replacement filter listed in the manual | Source: Levoit Replacement Filters, p. 10 |
Specifications
Air purifier with On/Off, Fan Speed (I, II, III), Sleep Mode, Timer, Display Off, Display Lock and Check Filter Indicator buttons. The Core 300 and Core 300-RAC share one manual. Source: Cover; Controls, pp. 1, 6
The Check Filter Indicator is the filter-change light. It lights within 6 to 8 months of use, depending on how much the purifier runs, and the same icon is the button that resets it. Source: Care & Maintenance, p. 11
| Electrical | AC 120 V, 60 Hz, rated power 56 W | Source: Specifications, p. 2 |
|---|---|---|
| CADR (CFM) | Smoke 143, dust 153, pollen 167 | Source: Specifications, p. 2 |
| Operating conditions | 14–104 °F (-10–40 °C), humidity below 85% RH | Source: Specifications, p. 2 |
| Noise level | 24–54.5 dB | Source: Specifications, p. 2 |
| Dimensions (W × D × H) | 8.7 × 8.7 × 14.2 in (22 × 22 × 36 cm) | Source: Specifications, p. 2 |
| Weight | 7.9 lb (3.6 kg) | Source: Specifications, p. 2 |
| Clearance | At least 15 in (38 cm) on all sides, away from curtains or anything that blocks airflow | Source: Getting started; Using your air purifier, p. 8 |
Recalls
No exact-model match for Core 300, Core 300-RAC in the U.S. Consumer Product Safety Commission recall database, checked . Recalls can name model families, so also check current recalls for Levoit.
Service contact
Levoit Customer Support: 1-888-726-8520, support.levoit.com. United States (Monday to Friday, 9:00 am to 5:00 pm PST/PDT). Source: Customer Support, p. 18
Sources
- User Manual, Core 300 series and Core 300-P series air purifier (Core 300, Core 300-RAC). Arovast Corporation. Document HEAPAPLVNUS0161Y, revision A2-241204, 20 pages, en-US. levoit.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.
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