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
- 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 UK10 months 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
- NINot I.2 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 UK2 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.8 months agoRated 5 out of 5 stars.
Simple to use, effective in removing dust and particulate in the office, pleasant white noise background.
- PPatti8 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.
- Aannomaly1 year agoRated 5 out of 5 starsFunctional solution. Essential air purifier layer.
As a designer (fashion), I would describe the pre- filter as a 'tube top'. Due to fiber content (stretch), it is easy to install & launders effectively.
BUBlueair UK9 months agoThank you for your feedback on our humidifier. We're glad to hear you like its design, quiet operation, and easy top filling. We understand your concern about the frequent refills. The runtime can vary based on humidity levels and settings. For the best performance, we recommend placing the humidifier in a room up to 500 sq. ft, adjusting your preferred target humidity level, and setting the humidifier to Auto mode. This allows the device to react to changing humidity and adjust to meet your target level. Initially, it will consume more water to increase the humidity, but once the target is reached, it will use less water to maintain it. If you have any further questions or need assistance, please don't hesitate to reach out. We're here to help!,Blueair,Blueair Team,clientresponse