Smart Filtration, you can trust
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Blue Pure 311i Max replacement pre-filter
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Designed to fit into any lifestyle
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Quickly and easily change your pre-filter
- SFSherry F.Verified BuyerRated 1 out of 5 stars2 months agobaggy
Does not fit as well as the one that came with the 311i Max. It is baggy at the bottom and top and looks does not fit well.
BlueEU Staging2 months agoThank you for sharing your feedback on the Blue Pure 311i Max Pre-Filter. We’re sorry to hear the fit is not as expected, as the pre-filter should sit smoothly around the unit. We’ve reached out to you directly using your contact information so our team can help look into this and assist further.
- LKLaine K.Verified BuyerRated 4 out of 5 stars4 months agoPre-filter too small!
I love that the pre-filter comes in different colors and is washable but when snagged by the cats I want to replace. Why is it whenever I buy a new one it doesn’t fit the same?
BlueEU Staging3 months agoThanks for the thoughtful feedback on the Blue Pure 311i Max Pre-Filter. We love hearing that you enjoy the washable colors. The fit difference you’re seeing is likely due to mixing up the Blue Pure 311i Max and the slightly taller 311i+ Max, which use different pre filters. Here's direct link to the correct replacement filter and pre-filters for your unit: https://www.blueair.com/collections/311i-max-2
- JMJeffrey M.Verified BuyerRated 5 out of 5 stars4 minutes agoAwesome Filtration
Awesome filter!
- KLKerri L.Verified BuyerRated 5 out of 5 stars3 weeks agoFilter cover
Easy to wash
BlueEU Staging3 weeks agoThank you very much for taking the time to share your valuable feedback with us about the Blue Pure 311i Max pre-filter. We are delighted to hear that you are enjoying our Blueair products and truly appreciate your support
- ESELIANA S.Verified BuyerRated 5 out of 5 stars3 weeks agoGreat product
Excelent product, i can feel the difference in the air I breath in. My allergies have improved a lot since i started using it. I place it next to my bed and is very quiet!