Description
xExperience cleaner air in minutes
PuroAir 400 is built for open spaces and large rooms, delivering noticeably fresher air in less time. In independent testing, it can refresh rooms up to 2,000 sq ft in about an hour, helping you enjoy a crisper environment during daily activities.
Its three‑layer filtration combines a pre-filter, a true HEPA filter, and activated carbon. This setup targets common indoor pollutants and odors, making the air feel lighter and more breathable without requiring extra effort from you.
Key filtration that helps you breathe easier
- Three-layer filtration: pre-filter, HEPA filter, and activated carbon work together to capture dust, pollen, smoke, and VOCs.
- High filtration efficiency: up to 99.9% of common indoor pollutants are captured.
- Fine particle capture: designed to trap particles far smaller than a hair’s width for thorough air cleansing.
- Lab-informed performance: tested for real-world room air quality improvement and safety standards.
Smart, quiet daily use
- Smart particle sensor monitors air quality and automatically adjusts power for consistent freshness and energy efficiency.
- Sleep mode and quiet operation keep nighttime noise minimal, supporting restful evenings and focused work during the day.
- Continuous 24/7 operation helps maintain clean air in busy homes and open-plan layouts.
Quality and reassurance come standard. The purifier carries CARB, ETL, ISO, and UL certifications, reflecting rigorous safety and performance benchmarks. More than 500,000 households rely on PuroAir for cleaner air, backed by a two-year warranty and USA-based support. Designed and supported in the USA, this model aims to be a dependable addition to any living space.
In everyday life, the PuroAir 400 supports a variety of scenarios—from family gatherings in a bright living room to focused work in a home office or quiet nights in a bedroom. You may notice cleaner air during activities like cooking in open kitchens or after seasonal pollen spikes, with less odor or dust settling in common areas.
FAQ
Q: What room size can the PuroAir 400 purify?
A: Covers up to 2,000 sq ft in one hour for large spaces.
Q: What pollutants does it filter and how effective is it?
A: Filters up to 99.9% of dust, pollen, smoke, pet dander, and VOCs.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
- Choosing a selection results in a full page refresh.