1
2
Description
xCleaner air, smarter filtration
The BLUEAIR Blue Pure 311 Auto Replacement Filter combines a high‑performance particle layer with an activated carbon mesh to address both tiny airborne particles and common odors. When installed in your Blue Pure 311 Auto purifier, it works to maintain a fresher, more comfortable living space.
Key benefits at a glance
- Designed for Blue Pure 311 Auto: a precise fit that preserves purifier performance.
- Long-lasting filtration: 360‑degree air intake and a large filter surface area help sustain airflow and efficiency, with typical life spanning six months to a year depending on use.
- Fine particle capture: the polypropylene media traps particles down to 0.1 micron, including pollen, dust, pet dander, and more.
- Odor and VOC control: carbon mesh absorbs light odors, tobacco smoke, and volatile compounds for a more comfortable room feel.
- Quiet operation and energy efficiency: optimized filtration supports low noise and mindful energy use.
- Independent testing and safety: CADR verified by AHAM; CARB ozone safety certification; Intertek Zero Ozone Verified.
Real-world uses
Pet owners may notice less pet-related dust and dander on surfaces. Allergy-prone rooms can feel more manageable during peak pollen season as airborne irritants are filtered. In kitchens or living areas with cooking odors or smoke, odors often seem milder after filtration. Results vary by room size, usage, and air quality, and this filter is designed to support cleaner air as part of a broader air care routine.
Maintenance and savings
On average, the filter lasts six months to a year, depending on usage and environment. For optimal performance, we recommend replacing about every six months. You can subscribe and save up to 10 percent with auto-delivery, ensuring you have fresh filtration when you need it.
Safe and efficient by design
Blueair products with HEPASilent filtration emphasize a balance of airflow, filtration quality, and energy efficiency. The 311 Auto replacement filter supports these goals while avoiding ozone, contributing to a safer indoor environment.
FAQ
Q: Is the BLUEAIR Blue Pure 311 Auto Replacement Filter compatible with my purifier?
A: Yes, it is designed as a genuine replacement part for the Blue Pure 311 Auto Air Purifier.
Q: How long does the filter last and when should I replace it?
A: Typically six months to a year, depending on usage and air quality; replace sooner in high-usage environments.
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.