Description
xKeep the air you breathe clean with a genuine PuroAir 400 replacement filter
Designed for the PuroAir 400, this 2-pack brings a convenient, ready-to-install solution that helps maintain purifier performance. Each filter is intended for a replacement cadence of about 3–4 months, and you can sign up to receive replacements automatically at your doorstep, helping you stay on track without the guesswork.
What sets this filter apart is a careful blend of filtration layers and thoughtful engineering that aims to address common indoor air concerns. The package comes with the Official PuroAir seal to verify authenticity, giving you confidence in what you install inside your purifier.
Key filtration capabilities
- Three-layer system: A pre-filter, a True HEPA component, and activated carbon work together to target a broad range of particles and odors.
- CarbonTech layer: An exclusive carbon blend enhances odor control and chemical scent removal without harsh additives.
- High-efficiency performance: Filtration claims reach up to 99.9% for select pollutants in controlled testing, with real-world results varying by environment.
Validation and support
- Independent testing: Third-party lab studies assess performance against common indoor pollutants.
- SleepScore validation: 2024 independent testing highlighted potential improvements in sleep quality linked to better air quality in some scenarios.
- Warranty and care: A 2-year warranty, USA-based support, and access to reminders help you manage maintenance with ease.
Real-world benefits and use cases
- Pet households may notice calmer indoor air and reduced irritants during daily activities and nighttime hours.
- Urban or living spaces with cooking odors or smoky air can experience a fresher atmosphere after daily use.
- Families seeking quieter, more consistent purifier performance may benefit from timely filter changes according to the recommended cadence.
Maximize value and convenience
- Enroll in automatic delivery reminders so replacements arrive when you need them.
- Keep a spare set on hand and follow the manufacturer’s guidance for replacement timing to maintain peak performance.
Note: This description summarizes the features and official claims without asserting medical outcomes. Actual results can vary by room size, air quality, and usage patterns.
FAQ
Q: What does the 2-pack include and how often should I replace it?
A: Two genuine PuroAir 400 filters designed for a 3–4 month change cycle.
Q: Is there independent testing behind PuroAir filters?
A: Yes, third-party lab testing supports filtration claims and odor reduction potential.
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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