Description
xClean air starts with a genuine PuroAir 400 replacement filter
Designed for the official PuroAir 400 series purifiers, this replacement filter combines three filtration stages — pre filter, HEPA, and an activated carbon layer — built to capture dust, pollen, pet dander, smoke, and unwanted odors.
With an authentic seal, it preserves the performance you expect from PuroAir's filtration system. The CarbonTech layer targets odors while maintaining airflow, and independent testing supports its effectiveness against common indoor pollutants.
How it works
- GENUINE PUROAIR FILTER: Official Seal ensures authentic 400 Replacement Filters and includes optional reminders for replacements.
- POWERFUL AIR FILTER: 3-layer system with pre filter, HEPA, and activated carbon to capture up to 99.9 percent of pollutants and reduce odors.
- BACKED BY SCIENCE: Independent testing supports performance; SleepScore 2024 highlights benefits for pet dander and comfort signals.
- POWERED BY CARBONTECH: CarbonTech layer provides enhanced odor filtration tested in ISO 17025 labs.
Warranty, service and routine
- RISK-FREE WARRANTY: 2 year warranty with US based support; American Lung Association partnership and reliable service.
- REPLACEMENT SCHEDULE: Replace roughly every 3 to 4 months depending on use and environment; consider delivery reminders.
In real world use, you may notice a fresher feel in rooms with pets, cooking odors, or smoke. While results vary by room size and air exchange, the filter is designed to support a consistent filtration cycle and ease of maintenance. Manufactured in the USA, PuroAir offers a sense of reliability and ongoing support as part of their air care ecosystem.
FAQ
Q: What is included with the PuroAir 400 Replacement Filter?
A: The Genuine PuroAir 400 replacement filter with CarbonTech is designed for your PuroAir purifier and includes guidance for replacement and optional delivery reminders.
Q: How often should I replace the PuroAir 400 replacement filter?
A: Typically every 3–4 months depending on use and environment; subscribe for reminders and automatic deliveries.
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.
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