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Portable air purifier

Levoit Core 300-P

US Core 300-P

$104.99US price, checked Oct 13, 2026

Small-room air purifier for spaces up to 222 ft², with a $29.99 filter

Check price at Levoit Full review →

Our pick if it has to go on the wall

Rabbit Air MinusA2

US MinusA2

$599.95US price, checked Oct 13, 2026

Slim wall-mount purifier for rooms near 280 ft², with $95 yearly filters

Check price at Rabbit Air Full review →

Criterion	Levoit Core 300-P	Rabbit Air MinusA2
US price	$104.99Checked Oct 13, 2026 · Price details in the review	$599.95Checked Oct 13, 2026 · Price details in the review
Three-year ownership estimate	$239.96 Incomplete known subtotal. Not included: energy use.	$884.95 Incomplete known subtotal. Not included: energy use.
Choose if	A bedroom or home office up to 222 ft² where floor space is tight.	You want a purifier on the wall, not the floor, in a bedroom or office up to about 280 ft².
Main trade-off	Levoit publishes one CADR and one power figure, and no independent listing for it could be confirmed.	$599.95 buys a smoke CADR of 180, and Rabbit Air doesn't say who tested that figure.
Key specifications	CADR: 143 CFM; Levoit gives one figure, not separate smoke, dust and pollen ratings Room size: 222 ft² at 4.8 air changes an hour; 1,066 ft² at 1 Noise: 24 to 54.5 dB; 26 dB or less in sleep mode, per the filter pages; no per-speed figures Power draw: 56 W rated at 120 V; no high, low or standby figures Filters: One 3-stage filter: pre-filter, main filter and activated carbon Filter life and price: 6 to 8 months; $29.99 standard, $35.99 Pet Allergy or Toxin Absorber, $39.99 Smoke Remover Controls: Sleep mode, a 2 to 8 hour timer and a check-filter indicator; the feature list has no app or air-quality sensor Size and weight: 8.7 × 8.7 × 14.2 in; 7.9 lb	CADR (smoke, dust, pollen): 180, 193 and 200; Rabbit Air doesn't name the test standard Room size: Rabbit Air says 408 ft² at 4 air changes an hour or 815 ft² at 2 (8 ft ceiling, top speed). Those match its 218 CFM airflow. On the 180 smoke CADR, 4.8 air changes an hour fits about 280 ft². Noise: 25.6 to 51.3 dBA across five speeds; no per-speed breakdown Power draw: 6 to 61 W (120 V, 0.85 A max); no per-speed or standby figures Filters: Washable pre-filter, medium, BioGS HEPA, one customized filter and activated carbon, plus an ion generator you can switch off Filter life and price: $95 kit (medium, HEPA, customized and carbon) every 12 months at 24/7, or up to 2 years at 12 hours a day; $14.95 spare pre-filter Size and weight: 20 × 21.4 × 7 in; 19.4 lb; wall-mount kit included Controls: Auto mode with particle and odor sensors, pollen mode and a light sensor; remote on the SPA-780A, Wi-Fi app control and no remote on the $619.95 SPA-780N
Exact variant	US Core 300-P	US MinusA2
Dimensions	8.7 × 8.7 × 14.2 in, or 22 × 22 × 36 cm. It weighs 7.9 lb (3.6 kg).	20 × 21.4 × 7 in (height × width × depth). Another spec section on the same page gives the height as 20.25 in. It weighs 19.4 lb, and the power cord is 9.33 ft.
Installation	No installation. It's a freestanding unit that plugs into a 120 V, 60 Hz outlet. Levoit lists an operating range of 14 to 104°F and humidity below 85%. The product pages give no clearance advice, and the linked manual PDF has no readable text.	None needed to stand it on the floor. It plugs into a 120 V outlet. A wall-mount kit comes in the box, and the manual says to drive the hanger screws into studs. On a wall it needs 2 ft of space below the ceiling and 8 in on each side. On the floor it needs 2 ft clear at the air outlet and 8 in at the intakes on each side.
Materials	It has three stages: a pre-filter for hair, dust and large particles, a main filter, and a high-density activated carbon filter for gases and odors. All three come as one replaceable filter. Levoit says the main filter removes 99.97% of ultrafine particles down to 0.3 μm. Its HEPA claim covers sleep mode only and cites an unnamed independent lab test to IEST RP C001.7. Levoit doesn't name the main filter's media. The product pages call it ozone free.	Six stages: a washable pre-filter, a medium filter, a BioGS HEPA filter, one customized filter, an activated carbon filter and a negative ion generator. You pick the customized filter: Germ Defense, Toxin Absorber, Pet Allergy or Odor Remover. Rabbit Air says the HEPA media is treated to keep bacteria and mold from growing on the filter itself. The ion generator can be switched off.
Warranty	2 years from the original purchase date, covering defects in materials and workmanship. In California the period starts on delivery or pickup. Registration isn't required, and the warranty doesn't transfer to a later owner. Filters count as wear items and aren't covered, and neither is commercial or rental use. Units from unauthorized sellers don't qualify. Claims go through support.levoit.com and need proof of purchase with the invoice or order ID. The warrantor, Arovast, chooses whether to refund, repair or replace it.	Rabbit Air covers defects in materials and workmanship for 5 years from the original retail purchase. Its registration page says registering gets you the 5-year warranty and free round-trip shipping to its service center in the contiguous US. The manual asks you to register within 90 days of purchase. Filters, filter frames and cases, wall-mount brackets and cosmetic damage aren't covered. Rabbit Air may ask for proof of purchase.
Returns	Levoit offers a 30-day money-back guarantee on direct purchases, counted from delivery. The unit must go back in its original condition and packaging, with all accessories and a copy of the invoice. Excessively worn, used or altered items are refused. Levoit sends a prepaid label and an RMA number once it approves the return, and you have 15 days to ship it. Refunds go to the original payment method within 30 days of receipt. The policy doesn't mention filters or restocking fees.	90 days from purchase, with a prepaid return label, for orders bought on RabbitAir.com and shipped in the contiguous 48 states. It has to come back like new, in the original packaging with the remote and manual. Items that aren't like new may carry a restocking fee. Replacement filters can't be returned once unwrapped.
Unresolved questions	Whether AHAM's Verifide directory lists it, and with which smoke, dust and pollen CADR Whether CARB certified it; the readable part of CARB's list didn't reach it Which pollutant the 143 CFM figure refers to Power draw at each fan speed and in standby Noise at each fan speed Clearance and pre-filter care advice, because the manual PDF has no readable text How the Pet Allergy filter differs from the standard filter Which color ships from the $99.99 main listing Whether opened filters can be returned	Whether AHAM has verified its CADR figures Whether CARB certified it; the readable part of CARB's list held only recent entries Which test standard and lab produced the CADR figures Power draw and noise at each of the five speeds, and standby power Average power on auto, so the yearly electricity cost What warranty cover applies if you don't register

These comparisons use published specifications, not head-to-head tests. Prices and terms are dated. Unknown costs are not zero. Check the exact variant before you buy.