Technical Specifications
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Filter Type
Seamless fabric pre-filter, 92% nylon 8% spandex
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Dimensions(HxWxD)
8.3 x 8.3 x 11 in (210 x 210 x 280 mm)
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Product Weight
1 lb
Total 5 star reviews: 21 Total 4 star reviews: 0 Total 3 star reviews: 2 Total 2 star reviews: 3 Total 1 star reviews: 2
75%would recommend this product
28 reviews
- Ccisco5 years agoRated 5 out of 5 starsHelpful
Blueair 411 model purifier is a portable gadget that really help in small spaces thank u
BUBlueair UK1 year agoWe are sorry to hear about your experience with your Humidifier. We certainly would not expect to see anything on filter like you've shown. We can see that you have reached out to our service team already. We are confident that we will be able to help resolve the issues with your unit and ensure you receive the support you need. Thank you for bringing this to our attention, and we appreciate your patience as we work to improve your experience.,Blueair,Blueair Team,clientresponse
- ACAne C.Verified Buyer23 seconds agoRated 5 out of 5 starsGreat
Easy to fit. A bigger range of colours would be good.
- NINot I.4 months agoRated 2 out of 5 starsA dirty sock on the outside of the air purifier
The pre-filter sheds dust that it collected during operation because it is on the outside of the air purifier unit. It's visually unappealing because it looks dirty, and it defeats the purpose of having an air purifier.
BUBlueair UK4 months agoThank you for sharing your experience with the Blue Pure 411 pre-filter. We’re sorry to hear your concerns about dust and appearance. The fabric pre-filter is designed to capture larger particles and can be easily vacuumed or washed to keep it looking fresh while maintaining performance.,Blueair,Blueair Team,clientresponse
- DHDave H.10 months agoRated 5 out of 5 stars.
Simple to use, effective in removing dust and particulate in the office, pleasant white noise background.
- PPatti10 months agoRated 5 out of 5 starsPure 411 Pre-filter-Diva Blue
I appreciate the fabric filters on the front of our BlueAir. The quality of all BlueAir products is excellent
These clean up nice. I figure they give us extra protection and have had all my family order BlueAir purifiers. We have two, one in the bedroom and one in the family room.