Your cart is empty.
Your cart is empty.The Blue Pure 311 Auto Particle and Activated Carbon Replacement Filter protects against both gaseous and particulate contaminates. An activated carbon mesh layer eliminates harmful gaseous pollutants such as volatile organic compounds (VOCs), tobacco smoke, and other odors. In addition, advanced polypropylene filter media removes particle pollutants down to 0.1 micron in size from your indoor air, such as pollen, dust, and pet dander. Using a 360-degree air intake and up to 4 times the filter surface area than competing replacement filters, the Blue Pure 311 Auto Particle and Activated Carbon Filter lasts longer, on average from 6 months to a year. Subscribe & save up to 10% on auto-delivered filters when replacement is needed; We recommend replacing your filter about every 6 months depending on usage. NO COMPARISON – 4X FILTER SURFACE AREA & 360 AIR INTAKE: Blueair models with HEPASilent's mechanical and electrostatic filtration produced higher CADR, lower noise, and had lower energy consumption vs. the same models with only mechanical filtration (H13 filter). *Tested on E.coli, Influenza A (H1N1), A.niger with a minimum reduction rate of 99.9% in 60min.
Ducati
2025-08-22 10:20:14
This is a fine filter for the air purifier. However, be aware that the 311 is not the same as the 311i Max, and the filter sizes are different. I made the mistake of ordering the wrong one and spent quite a long time trying unsuccessfully to make it fit. Once I returned this filter and ordered the correct one, it slid on like a hand in glove.
Rod
2025-08-19 16:08:21
Seems OK. Who knows ?
Noway
2025-08-03 13:27:35
Larger area than most air filters, which is why I chose a Blueair air filter.For the most part, it's a fan with a filter, so the filter is key to the operation. Don't buy one that has tiny filters. I did a ruff calculation on filter area of several units, and this one comes out on top.
Dave K
2025-07-18 17:42:54
Fit my air cleaner perfectly and I'm back up and running!
jmc12333
2025-07-16 12:16:26
These filters are really great because they are easy to replace and do a great job at filtering the air for a medium to large space.Have on repeat delivery so I never forget to replace. Highly recommend.
Candi
2025-07-13 17:10:38
I liked this BlueAir Purifier. Easy to operate. Was also extremely quiet. I have this in my living room and as far as performance, I give it an 9. Great value for the money too!
Emily J
2025-07-10 10:28:20
I read some reviews here that this filter was too large or didn’t fit, so was a bit wary. I have a Blueair Blue Pure 311 Auto which it fits perfectly on. Blueair it seems has a tendency to name their air filters very similarly, so just make sure to double-check your exact model. The filter itself makes a difference in air quality so I felt it was important to purchase a genuine one versus a cheaper one. My filter is never very dirty after 6 months so sometimes I use a filter for a few months past that timeframe – I just reset the light and put a calendar reminder for myself to change it a couple months later. All in all, great product.
Brakemanbob
2025-06-26 18:36:00
Filter fit perfectly. Good product
Majid
2025-06-16 17:48:24
I used this in our blue air pure 311 auto. This originalOne lasts alot longer and provides better filtration than the aftermarket thinner badly fitting ones. I would highly recommend just sticking with these ones and you will not have any issues!
Barry Thomas
2025-04-20 18:54:48
It is wonderful.
samuel malka
2025-04-06 15:08:50
Product arrived as expected and description and authenticity is as described. I will order again. Blue air as really good reviews and surpasses many other brands that cost twice it’s size. I have one in each room but different models and so far so good. I have bad allergies and this helps me out a lot and also helps by reducing dust.
Tracey Renaud
2025-04-02 14:41:02
Good brand it last 6 months then replace I never turn off the air purifier. It performs well
Maggie
2025-02-10 12:03:30
What more is there to say :)
Recommended Products
