PuroAir 400 HEPA Air Purifier for Home Large Rooms – Covers 2,000 Sq Ft – Filters Up To 99.9% of Pollutants, Smoke, Pollen, Dust, and VOCs – Quiet HEPA Air Filter – Air Purifiers for Bedroom

Price: $279.99
(as of Mar 26, 2026 22:58:09 UTC – Details)

Product description

Bundle with Genuine PuroAir 400 Official Filters

Let us do the dirty work of reminding you when to change out the filter. Sign up to have us deliver replacement filters right to your door!

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

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Customer Reviews

4.6 out of 5 stars 17,073

4.8 out of 5 stars 689

4.8 out of 5 stars 63

4.6 out of 5 stars 17,073

4.6 out of 5 stars 17,073

4.8 out of 5 stars 3,472

4.7 out of 5 stars 460

Price

$279.99$279.99

$64.99$64.99

$63.74$63.74

$89.99$89.99

$149.99$149.99

$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

Sq Ft Coverage

2000 sq ft

Replace Every 3-4 Months

550 sq ft

600 sq ft

1000 sq ft

Replace Every 3-4 Months

Last 3X Longer than Fiberglass

HEPA & CarbonTech Filter

Yes

Yes

Yes

Yes

Yes

Yes

Yes + MERV 13

Whisper Quiet Sleep Mode

Yes

Yes

Yes

Yes

Yes

Yes

Filter Dust, Pollen, Allergens

Multiple Fan Speeds

Low, Medium, High

—

Low, Medium, High

Low, Medium, High

Low, Medium, High

—

—

Air Quality Sensor

Yes

—

No

No

Yes

—

—

Auto Mode

Yes

—

No

No

Yes

—

—

App Enabled

No

—

Yes – Control From Your Phone!

Yes – Control From Your Phone!

No

—

—

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: #613 in Home & Kitchen (See Top 100 in Home & Kitchen) #6 in HEPA Filter Air Purifiers
Customer Reviews: 4.6 4.6 out of 5 stars (17,073) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
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.