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If you’re fighting pollen, pet dander, or cooking smells in a bedroom or small living space, the Levoit Core 300‑P is an easy recommendation. It combines a compact footprint with AHAM Verifide performance and a 3‑stage filtration system in a design that’s quiet enough for sleep. Rated power is 56W, CADR is 143 CFM, and the unit is ozone‑free, CARB compliant, and Energy Star/FCC/ETL certified.
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Key takeaways
- Best for bedrooms & home offices: Ideal room size guidance is ~222 ft² at ~4.8 air changes per hour (ACH); it can circulate a 1066 ft² space once per hour. Match expectations to your desired ACH.
- Quiet for sleep: 24–54.5 dB across modes; Sleep Mode dims the panel and slows the fan. Independent tests often measure ~37 dB on the quietest setting.
- AHAM Verifide CADR: 143 CFM (smoke), 153 (dust), 167 (pollen) for transparent, third‑party‑verified performance. Amazon
- Filter options: Choose Original, Pet Allergy, Smoke Remover, or Toxin Absorber cartridges to target your air concerns. Amazon+1
Specs at a glance
- Model: Core 300 / Core 300‑P
- Dimensions & weight: 8.7 × 8.7 × 14.2 in, 7.9 lb (≈ 22 × 22 × 36 cm; 3.6 kg)
- Power: 56W rated; AC 120V / 60Hz
- CADR: 143 CFM (AHAM)
- Noise: 24–54.5 dB (Sleep→High)
- Coverage guidance: 1066 ft² @1 ACH / 222 ft² @4.8 ACH
- Certifications: CARB compliant, Energy Star, FCC, ETL; ozone‑free
- AHAM Verifide pollutant CADR: 143 smoke / 153 dust / 167 pollen Amazon
What stands out
1) Bedroom‑friendly quiet
Levoit’s QuietKEAP™ design and Sleep Mode keep sound low enough for light sleepers. The brand lists 24 dB at the quietest setting; third‑party measurements land around ~37 dB in real rooms—still whisper‑level.
2) 3‑stage filtration you can tailor
The Core 300‑P uses a pre‑filter + HEPA‑grade main filter + activated carbon. Swap in targeted filters—Pet Allergy (fur & dander), Smoke Remover (wildfire/cigarette smoke), or Toxin Absorber (VOCs, smog)—to fit your environment. Amazon+1
3) Verified performance, no ozone
The unit is AHAM Verifide for CADR and is ozone‑free—important for families with asthma or babies. Amazon+1
Coverage & CADR explained (so you pick the right size)
- CADR 143 CFM tells you how quickly the purifier can deliver clean air.
- Levoit’s own guidance: ~222 ft² at ~4.8 ACH (strong cleaning) or 1066 ft² at 1 ACH (light circulation). For bedrooms, aim for 4–5 ACH to keep allergens down; for larger, open rooms, step up to a higher‑CADR model.
Setup, placement & daily use
- Unbox & unlock the filter (remove plastic wrap), then replace the cover—it won’t power on otherwise.
- Placement: leave ~15 in / 38 cm of clearance around the unit for best airflow.
- Use Sleep Mode at night; the Display Off and Display Lock buttons stop accidental taps.
Maintenance & filter life (the part most people forget)
- Clean the outer pre‑filter every 2–4 weeks (vacuum hair, lint, and dust) to maintain airflow.
- Expect the Check Filter light to come on in ~6–8 months (sooner with heavy use); replace the cartridge and hold the Check Filter button for 3 seconds to reset.
- Signs you need a new filter sooner: noticeably lower airflow, more noise, odors, or a visibly clogged filter.
Who is the Core 300‑P perfect for?
- Allergy sufferers & pet owners who want targeted filters and verified performance. Amazon
- Light sleepers who need a quiet purifier and a dark display at night.
- Renters & students who want a compact, ozone‑free unit that just works.
If you want app control and smart sensors, check the Core 300S—it adds Wi‑Fi and smart features while keeping a similar size.
Pros & cons
Pros
- Quiet, bedroom‑ready operation with Sleep Mode.
- AHAM Verifide CADR and multiple specialized filter options. Amazon
- Ozone‑free; CARB/Energy Star/FCC/ETL credentials.
Cons
- No built‑in Wi‑Fi or app controls (consider Core 300S for that).
- “One‑size” cylindrical filters can add up if you don’t vacuum the pre‑filter regularly.
Frequently asked questions
1) Is the Levoit Core 300‑P ozone‑free?
Yes—Levoit specifies the Core 300‑P is ozone‑free and CARB compliant.
2) How loud is it?
Levoit lists 24–54.5 dB depending on fan speed; third‑party tests often measure ~37 dB in Sleep Mode.
3) What room size can it handle?
Plan on ~222 ft² for ~4.8 ACH (typical “bedroom strength”), or 1066 ft² for one air change per hour.
4) Is the filter “True HEPA”?
Levoit uses a HEPA‑grade main filter within a 3‑stage cartridge; the brand notes “HEPA‑grade while operating in Sleep Mode” in the listing. Regardless, CADR and AHAM verification are the best apples‑to‑apples performance metrics. Amazon
5) Which replacement filter should I buy?
Choose Original for general use, Pet Allergy for fur/dander + odors, Smoke Remover for wildfire/cigarette smoke, or Toxin Absorber for VOCs/smog. Amazon+1
6) How often do I replace the filter?
The Check Filter light typically appears in 6–8 months based on usage; vacuum the pre‑filter every 2–4 weeks to extend life.
7) Does it have an app or air‑quality sensor?
Not on the Core 300‑P. The Core 300S adds app control and smart features.
8) What are the physical specs?
8.7 × 8.7 × 14.2 in, 7.9 lb; 56W rated power; CADR 143 CFM.
Buy it with confidence
If you’re after a compact, quiet, and verified air purifier for bedrooms or small living spaces, the Levoit Core 300‑P is a proven, low‑maintenance pick.
