{"product_id":"blueair-blue-pure-311i-max-allergenblock-replacement-filter-allergy","title":"BLUEAIR Blue Pure 311i Max AllergenBlock Replacement Filter - Allergy","description":"\u003cp\u003eIn this review of the BLUEAIR Blue Pure 311i Max Series AllergenBlock Replacement Filter, the bottom line is simple: this filter is for anyone who needs a straightforward, effective upgrade to reduce common inanimate allergens in the home. The reviewer found that the primary draw is the AllergenBlock layer, which is designed to neutralize over 90% of allergen properties from pollen, dust and pet dander and so delivers noticeably fresher air in rooms with seasonal pollen or pets. Installation is straightforward and the filter fits the Blue Pure 311i Max purifier as intended.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllergenBlock defense:\u003c\/strong\u003e A treatment layer neutralizes over 90% of inanimate allergen properties such as pollen, dust and pet dander for improved comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted allergen testing:\u003c\/strong\u003e The filter media was evaluated with ELISA deactivation testing on pollen, pet dander and dust mite matter to validate performance claims.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed to fit the Blue Pure 311i Max air purifier so it installs cleanly and maintains proper airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Made from 100% cotton filter media, providing a natural-feeling construction and consistent filtration surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImported quality:\u003c\/strong\u003e As an imported genuine replacement, the filter matches the original specification for fit and construction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filter is best for households dealing with seasonal pollen, house dust and pet dander that cause routine irritation. People who want a plug-and-play replacement that focuses specifically on inanimate allergen reduction will appreciate the AllergenBlock treatment and the straightforward fit with the 311i Max purifier.\u003c\/p\u003e\n\u003cp\u003eThose looking for a multi-function filter that tackles odors from cooking or chemicals, or who require a long-term lifespan guarantee, may want to compare alternative filter types or check reported longevity for heavy-use environments before committing. This product is a genuine replacement meant for filtration of pollen, dust and pet dander rather than specialized odor control.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEffective allergen reduction with AllergenBlock media that neutralizes common inanimate allergens.\u003c\/li\u003e\n\u003cli\u003eEasy installation and exact fit for the Blue Pure 311i Max air purifier.\u003c\/li\u003e\n\u003cli\u003eGood perceived value; users report improved air quality and a fresher scent after replacement.\u003c\/li\u003e\n\u003cli\u003eConstructed from 100% cotton media for consistent filtration performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLongevity reports are mixed, so some users may find replacement intervals shorter than expected under heavy loading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eBlue Pure 311i Max Series AllergenBlock Replacement Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary defense\u003c\/td\u003e\n\u003ctd\u003eAllergenBlock layer neutralizes pollen, dust, pet dander\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e100% cotton filter media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eFits Blue Pure 311i Max air purifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest method\u003c\/td\u003e\n\u003ctd\u003eELISA deactivation testing on pollen, pet dander, dust mite matter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eImported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe BLUEAIR Blue Pure 311i Max AllergenBlock replacement filter is a practical choice for people seeking targeted reduction of inanimate allergens in bedrooms and living areas. It delivers easy installation, a good fit, and measurable neutralization of pollen, dust and pet dander, making it good value for most homes; buyers should monitor replacement frequency in heavy-use or high-pollution environments.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this filter fit my Blue Pure 311i Max?\u003c\/strong\u003e\u003cbr\u003eYes, this replacement filter is designed specifically to fit the Blue Pure 311i Max air purifier and installs the same way as the original.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does AllergenBlock mean?\u003c\/strong\u003e\u003cbr\u003eAllergenBlock refers to a defense layer on the filter media that neutralizes inanimate allergen properties such as pollen, dust and pet dander; testing used ELISA methods on specific allergen proteins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the filter last?\u003c\/strong\u003e\u003cbr\u003eLongevity varies by environment and use; customer reports are mixed, so check your air quality and replace sooner in high-dust or heavy-pet homes.\u003c\/p\u003e","brand":"BLUEAIR","offers":[{"title":"Default Title","offer_id":48259533471963,"sku":"B08KQKR8LY","price":64.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71MaIdrOfeL._AC_SL1500.jpg?v=1778312586","url":"https:\/\/gearmusthave.com\/products\/blueair-blue-pure-311i-max-allergenblock-replacement-filter-allergy","provider":"GearMustHave","version":"1.0","type":"link"}