Price: $499.99 - $259.99
(as of Feb 24, 2026 05:00:17 UTC – Details)

Product description

Whether at home, school or in the office – big or small, we have you covered!

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Customer Reviews

4.5 out of 5 stars 16,532

4.8 out of 5 stars 651

5.0 out of 5 stars 6

4.5 out of 5 stars 16,532

4.5 out of 5 stars 16,532

4.8 out of 5 stars 3,296

4.7 out of 5 stars 362

Price

$259.99$259.99

$64.99$64.99

$74.99$74.99

$99.99$99.99

$159.00$159.00

$54.99$54.99

$49.99$49.99

Ideal For:

Kitchen, Open Floorplans

Official PuroAir 400 Filter

Small Rooms, Bedrooms, Offices

Bedrooms, Offices, Laundry

Large Living Rooms, Shops

Official PuroAir 240 Filter

HVAC’s, AC Systems, Furnaces

Maxiumum SQ FT:

Filters up to 2000 sqft / hour

Replace Every 3 Months

Filters up to 550 sqft / hour

Filters up to 600 sqft / hour

Filters up to 1000 sqft / hour

Replace Every 3 Months

Last 3X Longer than Fiberglass

3-Layers of Filter Defense

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Carbon-Tech

Yes

Yes

Yes

Yes

Yes

Yes

Yes + MERV 13

Modes

Auto, Sleep, Low, Med, High

—

Sleep, Low, Med, High

Sleep, Low, Med, High

Auto, Sleep, Low, Med, High

—

Filter Dust, Pollen, Allergens

App Enabled

No

—

Yes – Control From Your Phone!

Yes – Control From Your Phone!

No

—

No

Air Quality Sensor

Yes

—

No

No

Yes

—

—

Decible Range

35 dBs – 60 dBs

—

—

22 dBs – 48 dBs

22 dBs – 48 dBs

—

—

Voltage

120V

—

—

24V

120V

—

—

Wattage

80W

—

—

18W

45W

—

—

Product Dimensions ‏ : ‎ 17.5 x 10.6 x 12.5 inches; 14.73 Pounds
Item model number ‏ : ‎ PA400
Date First Available ‏ : ‎ April 29, 2023
Manufacturer ‏ : ‎ PuroAir
ASIN ‏ : ‎ B0C3FXZLZ5
Best Sellers Rank: #394 in Home & Kitchen (See Top 100 in Home & Kitchen) #2 in HEPA Filter Air Purifiers
Customer Reviews: 4.5 4.5 out of 5 stars (16,532) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) ); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, d.body).appendChild(s);
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CLEANER AIR IN MINUTES: PuroAir is proven to filter the pollutants lurking in your home’s air. This large room air purifier cleans rooms up to 2,000 sq ft in one hour.* Breathe clean, crisp air and kiss your allergies goodbye! (Based on independent testing in an ISO 17025 certified lab and typical residential room’s ventilation rates, 2025.)
POWERFUL AIR FILTER: PuroAir HEPA air purifiers for home feature a powerful 3-layer filtration system—a pre-filter, HEPA filter, and activated carbon—that filter up to 99.9% of pollutants, including dust, pollen, smoke, pet dander, and VOCs. PuroAir air filters can filter particles 700X smaller than the size of a human hair.* (Based on filter performance standards and independent testing on inanimate particles in an ISO 17025 laboratory, 2024.)
BACKED BY SCIENCE: Lab tested and studied to filter the most common household pollutants with ease. Better filtration means improved allergy symptoms and improved sleep quality.* Certified by CARB, ETL, ISO, and UL. (Based on SleepScore’s independent lab testing, 2024)
QUIETLY CLEANS 24/7: A smart particle sensor monitors air quality and increases power if polluted air is detected. Set it and forget it! Perfect air purifiers for bedroom, with a built in sleep mode that operates quietly. Designed to be used 24/7.
2 YEAR RISK-FREE WARRANTY: We stand by our products & their performance, which is why 900,000+ families trust PuroAir to keep their air clean. Have a problem? Our team is here to make it right! Proudly based in the USA.