Levoit Core 300 vs Core 300P vs Core 300S
Three models, one cylindrical body, nearly identical performance numbers. The differences are in the filter design, the smart features, and which model Levoit still sells new. Here is how to tell them apart and which one to buy.
Buy the Core 300P for pets and odors. Buy the Core 300S for allergies and sleep. The original Core 300 is no longer sold new by Levoit.
All three models share the same housing, the same 219 to 222 sq ft coverage, and the same 24 dB noise floor. The meaningful differences are the filter each one uses, which smart features it includes, and whether you can still buy it directly from Levoit. The original Core 300 has been replaced in Levoit’s lineup by the 300P and 300S-P.
Side-by-Side Specs
| Spec | Core 300 (original) | Core 300P | Core 300S / SP |
|---|---|---|---|
| CADR (smoke / dust / pollen) | 140 / 141 / 145 CFM | 143 / 153 / 167 CFM | 141 / 141 / 141 CFM |
| Coverage area | 219 sq ft | 222 sq ft | 219 sq ft |
| Noise on low | 24 dB | 24 dB | 22 dB (SP) |
| Filter design | Standard HEPA + carbon | Pet filter (thicker carbon) | Standard HEPA + carbon |
| Auto-dim sleep mode | No | No | Yes |
| App / Wi-Fi | No | No | SP version only |
| Air quality sensor | No | No | SP version only |
| AHAM verified | Yes | Yes | Yes |
| Sold new by Levoit | No | Yes | Yes |
| Buy | Third-party only | Core 300P on Amazon (~$100) | Core 300S on Amazon (~$100) |
What All Three Models Share
The Core 300 platform launched in 2019 and Levoit has since released multiple variants without changing the core hardware. All three models use a cylindrical body with 360-degree air intake, a three-stage filter (pre-filter, HEPA layer, activated carbon layer), and VortexAir technology. Coverage is rated between 219 and 222 sq ft across the lineup, the noise floor sits at 24 dB on low speed for both the original and the 300P, and all three share the same filter replacement cycle of every six to eight months.
The filter dimensions are also compatible across the platform. A Core 300P pet filter fits a Core 300S body and vice versa, which means you can change your filtration approach without buying a new unit. This interchangeability is the most useful practical fact about the lineup and the main reason the naming confusion matters less than it initially appears.
How the Original Core 300 Compares to the 300P
The original Core 300 and the Core 300P are the closest pair. Both are manual-control-only units: no app, no Wi-Fi, no auto mode, no air quality sensor. The physical housing is identical. The CADR numbers are slightly higher on the 300P (143 CFM for smoke versus 140, and 153 CFM for dust versus 141, based on AHAM-verified figures), a marginal difference that will not be perceptible in normal use.
The meaningful difference is the filter. The Core 300P is sold as a pet-focused unit and ships with Levoit’s pet filter, which carries a thicker activated carbon layer than the standard filter included with the original Core 300. If you have pets and odor is a factor, the 300P’s filter addresses that load more directly. If your home has no pets and you are comparing the two units on particle filtration alone, they are functionally equivalent.
The availability difference matters more for new buyers: Levoit no longer sells the original Core 300 directly. It still surfaces through third-party sellers on Amazon and at Target, and Levoit continues to make compatible replacement filters for it, but if you are buying new, the 300P is the current equivalent at the same price point.
I own an original Core 300. Should I upgrade to the 300P?
Almost certainly not. The performance difference is marginal, the housing is identical, and both units accept the same filter types. If you want better odor control, buy a Core 300P pet filter on your next replacement cycle rather than replacing the unit. If you want smart features or sleep mode, that requires the Core 300S-P, which is a more meaningful upgrade.
How the Core 300S Differs from Both
The Core 300S-P is the only model in the lineup with smart functionality: app control via the VeSync platform, scheduling, voice control through Alexa and Google Assistant, and a built-in PM2.5 laser sensor that feeds auto mode. Auto mode adjusts fan speed in real time based on detected air quality, which matters if you want the purifier to respond to cooking smoke or an open window without manual intervention.
The auto-dim sleep mode is available on both the S and SP versions. When the room goes dark, the unit dims its indicator light automatically, a small detail that makes a large difference for light sleepers who would otherwise turn the purifier off at night. Neither the original Core 300 nor the Core 300P has this feature.
The Core 300S also draws significantly less power than the original Core 300. The S model is rated at 23W versus the original Core 300’s 45W, a difference that adds up over months of continuous operation. The Core 300P runs at 56W. If you run a purifier around the clock, the Core 300S-P’s energy draw is materially lower than either of the manual-control models.
Which Filter Goes in Which Unit
All three models use the same filter footprint, designated Core 300-RF. The three filter types available are the Original Filter (standard HEPA plus carbon, suited for general particles and allergens), the Pet Allergy Filter (thicker carbon layer for odor alongside HEPA filtration), and the Toxin Absorber Filter (higher carbon content for VOC and smoke removal). Any of these filters fits any Core 300 platform unit regardless of which model you own.
The practical implication: if you own an original Core 300 or a Core 300S and your situation changes (a pet, wildfire season, VOC concerns in a new building), you can address it by switching filter types on the next replacement rather than replacing the unit.
The Products
Levoit Core 300P
The current manual-control unit in the Core 300 lineup. Ships with the pet-specific filter, which includes a thicker activated carbon layer for odor control alongside true HEPA particle filtration. No app, no auto mode, three fan speeds. Best for pet owners or anyone who wants a no-setup purifier for a single room up to 222 sq ft. The direct replacement for the original Core 300 in Levoit’s current lineup.
Levoit Core 300S / Core 300S-P
The bedroom and allergy pick. Auto-dim sleep mode turns off the indicator light when the room darkens, which both the original Core 300 and the Core 300P lack. The SP version adds app control, scheduling, and a built-in PM2.5 sensor for auto mode. Draws significantly less power than either manual-control model. Compatible with the pet and toxin filter types if your needs change.
Frequently Asked Questions
What is the difference between the Levoit Core 300 and the Core 300P?
Functionally, very little. Both are manual-control units with no app or smart features, the same cylindrical housing, and the same coverage area. The Core 300P has slightly higher AHAM-verified CADR figures and ships with a pet-specific filter that carries a thicker activated carbon layer. The original Core 300 used a standard filter. The most practical difference for new buyers is that Levoit no longer sells the original Core 300 directly; the 300P is the current manual-control model in the lineup.
Can I use a Core 300P filter in my original Core 300?
Yes. The filter designated Core 300-RF fits all three models: the original Core 300, the Core 300P, and the Core 300S platform. If you own an original Core 300 and want better odor control, switching to the pet filter on your next replacement cycle achieves the same result as buying a Core 300P without replacing the unit.
Is the Levoit Core 300 still available to buy?
Not directly from Levoit. The original Core 300 no longer appears in Levoit’s US product lineup; the current equivalent is the Core 300P. Third-party sellers on Amazon and retailers such as Target continue to list the original Core 300 from remaining inventory. If you find one at a good price and the specs suit your room, it remains a capable unit, and filter compatibility with the current lineup means ongoing filter supply is not a concern.
Which model is best for a bedroom?
The Core 300S-P is the strongest bedroom choice because of its auto-dim sleep mode, which turns off the indicator light when the room darkens. Both the original Core 300 and the Core 300P have an indicator light that stays on, which many people find disruptive at night. The Core 300S also draws less power at continuous operation. If budget is the priority and the light is not a concern, the Core 300P at roughly the same price point as the original Core 300 covers the same room size with slightly higher CADR.
Which is best for allergies?
All three models use true HEPA filtration that captures particles down to 0.3 microns at 99.97 percent efficiency, which covers the particle sizes relevant to dust mite allergens, pollen, and pet dander. The filter design itself does not create a meaningful difference for particle filtration between the three models. For allergy sufferers who run a purifier overnight, the Core 300S-P’s auto-dim sleep mode and lower noise floor make it the most practical choice for continuous bedroom use.