{"product_id":"311i-max-replacement-filter-2-pack-hepa-carbon-for-blue-pure-311i","title":"311i+ Max Replacement Filter 2 Pack - HEPA + Carbon for Blue Pure 311i","description":"\u003cp\u003eIn this review the 2 Pack 311i+ Max Replacement Filter is evaluated as a direct, cost-conscious replacement for owners of the Blue Pure 311i+ Max air purifier. It is aimed at people who need a straightforward HEPA and activated carbon combo that restores clean airflow and reduces common household odors without the brand premium. The single biggest reason to buy is the pairing of a HEPA medium that captures fine particles with a carbon layer for smells, making it a practical swap when the original part No. F3MAX+ needs replacing.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully compatible:\u003c\/strong\u003e Designed specifically for the Blue Pure 311i+ Max model so installation is typically seamless when you have the correct machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEPA filtration:\u003c\/strong\u003e The replacement filter uses a HEPA layer that targets fine airborne particles for improved indoor air quality and allergy relief.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivated carbon layer:\u003c\/strong\u003e The carbon element helps reduce household odors from cooking, pets and smoking for a fresher room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency:\u003c\/strong\u003e According to the product description the filter captures up to 99.97% of particles down to 0.3 microns for robust particulate removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-pack value:\u003c\/strong\u003e The package contains two filters so you can replace once and have a spare on hand, lowering per-filter cost compared with single buys.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponsible material:\u003c\/strong\u003e The media includes FSC-certified paper, reflecting attention to sourced materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis replacement is best for owners of the Blue Pure 311i+ Max who want an economical, no-frills filter that matches the machine's requirements and restores HEPA plus carbon performance. It suits households with pets or allergy sufferers who need regular particulate control and some odor removal, and for anyone who prefers to keep a spare filter on hand.\u003c\/p\u003e\n\u003cp\u003eIt is not for owners of other Blue Pure 311i series models such as 311i Max, 311 Auto or 311 (non-auto); those units are not compatible. Buyers who require manufacturer-branded replacement parts or who need specialized filtration beyond HEPA plus carbon should look elsewhere.\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\u003eFits the 311i+ Max and installs easily for most users according to owner feedback.\u003c\/li\u003e\n\u003cli\u003eEffective at removing dust, pollen and pet dander, improving perceived air quality in real rooms.\u003c\/li\u003e\n\u003cli\u003eCarbon layer addresses common household odors, complementing the particulate capture.\u003c\/li\u003e\n\u003cli\u003eTwo-pack format delivers better value and ensures a ready replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome buyers report receiving the wrong size, so you must confirm your model before ordering.\u003c\/li\u003e\n\u003cli\u003eNot compatible with other Blue Pure 311i series models, which limits use to the 311i+ Max only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible model\u003c\/td\u003e\n\u003ctd\u003eBlue Pure 311i+ Max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompare to part\u003c\/td\u003e\n\u003ctd\u003eF3MAX+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter media\u003c\/td\u003e\n\u003ctd\u003eHEPA plus activated carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParticle capture\u003c\/td\u003e\n\u003ctd\u003eUp to 99.97% at 0.3 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage quantity\u003c\/td\u003e\n\u003ctd\u003e2 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial note\u003c\/td\u003e\n\u003ctd\u003eFSC-certified paper media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuggested replacement\u003c\/td\u003e\n\u003ctd\u003eEvery 6-9 months depending on use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 2 Pack 311i+ Max Replacement Filter is a practical, affordable choice for anyone who owns the Blue Pure 311i+ Max and needs reliable HEPA and carbon performance without paying a brand premium. It delivers expected particulate removal and odor control, offers better value as a two-pack, and is good for routine household use so long as buyers confirm model compatibility before purchase.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my Blueair 311i model?\u003c\/strong\u003e\u003cbr\u003eThis filter fits the Blue Pure 311i+ Max only and is not compatible with Blue Pure 311i Max, 311 Auto, or 311 non-auto variants; confirm your exact model before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the filter?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer suggests replacing the filter every 6 to 9 months depending on usage and environment for optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it remove odors as well as particles?\u003c\/strong\u003e\u003cbr\u003eYes, the integrated activated carbon layer helps reduce common household odors from cooking, pets and smoking while the HEPA layer traps fine particles.\u003c\/p\u003e","brand":"isinlive","offers":[{"title":"Default Title","offer_id":48192157155547,"sku":"B0CQJZX9SP","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/717WUmImYqL._AC_SL1500.jpg?v=1770289807","url":"https:\/\/gearmusthave.com\/products\/311i-max-replacement-filter-2-pack-hepa-carbon-for-blue-pure-311i","provider":"GearMustHave","version":"1.0","type":"link"}