Description
xOverview
Meet the iSingo 2-pack 511 A11ergenBlock Replacement Filters, designed to fit BLUEAIR Blue Pure 511 purifiers. This twin-pack combines true H13 HEPA filtration with an activated carbon layer to help maintain a fresh, clean feeling room. The dual-pack format makes it easy to keep a spare on hand for timely replacements.
Why choose these filters
These filters are tailored for BLUEAIR Blue Pure 511 units, with a precise fit that supports steady airflow and reliable performance. Replacement is straightforward, and you can swap them without tools for minimal downtime.
- Compatibility: Fully compatible with BLUEAIR Blue Pure 511 Air Purifier only; not for other BLUEAIR models like 211, 411, 311, or 121.
- Filtration power: True HEPA filtration captures at least 99.97% of particles as small as 0.1 microns, including smoke, dust, and pet dander.
- Odor control: Activated carbon layer helps mitigate common household odors from cooking, pets, and smoke.
- Maintenance cadence: For peak performance, replace every six months under typical use.
- Ease of use: Tool-free installation designed for quick swaps and minimal downtime.
- Sustainability: Filters are made with FSC certified paper from responsibly managed sources.
What you get and how to care
- Two 511 A11ergenBlock replacement filters per pack
- Clear mounting orientation and a fit that suits BLUEAIR Blue Pure 511
- Guidance for replacement cadence and basic care tips
Note that outcomes depend on usage and environment. This is a replacement part that works with compatible purifiers as part of an overall air care routine.
FAQ
Q: What models are compatible with these filters?
A: They fit only BLUEAIR Blue Pure 511 purifiers and are not compatible with other BLUEAIR models.
Q: How often should I replace the filters?
A: Typically every six months under normal use to maintain filtration performance.
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.