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The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003ctable class=\\\"product-overview\\\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eBrand\u003c\/th\u003e\u003ctd\u003eBLUEAIR\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaterial\u003c\/th\u003e\u003ctd\u003eCarbon Fiber\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eProduct Dimensions\u003c\/th\u003e\u003ctd\u003e20.35\\\"L x 2.76\\\"W x 11.69\\\"Th\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCompatible Devices\u003c\/th\u003e\u003ctd\u003eAir Purifier\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eEU Spare Part Availability Duration\u003c\/th\u003e\u003ctd\u003e1 \\tyears\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eGlobal Trade Identification Number\u003c\/th\u003e\u003ctd\u003e00689122009711\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUPC\u003c\/th\u003e\u003ctd\u003e689122009711\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNumber of Items\u003c\/th\u003e\u003ctd\u003e1\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eManufacturer\u003c\/th\u003e\u003ctd\u003eBlueair\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNumber of Packs\u003c\/th\u003e\u003ctd\u003e1\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cdiv class=\\\"product-desc\\\"\u003e\u003cp\u003e Experience cleaner, fresher air with the Blueair Blue Pure 211+ Genuine Replacement Filter, specifically designed for Blue Pure 211+ air purifiers (non-auto models). This authentic air purifier filter replacement combines advanced particle filtration with activated carbon filter technology to deliver comprehensive indoor air cleaning that transforms your living space. The innovative dual-layer design features a high-performance air purifier filter that captures airborne contaminants down to 0.1 microns, effectively removing pollen, pet dander, dust, bacteria, mold spores, and viruses from your indoor air. The integrated activated carbon filter layer works simultaneously to trap household odors, smoke, volatile organic compounds (VOCs), and chemical pollutants, ensuring fresh, clean air throughout the day. Engineered with Blueair's signature 360-degree air intake system and up to 4 times the filter surface area of competing replacement filters for air purifiers, this blue air filter replacement delivers superior performance and extended lifespan. The enhanced design optimizes airflow while maintaining peak filtration efficiency, typically lasting 6 months to 1 year depending on usage conditions. Measuring 2.76 inches x 11.69 inches x 20.35 inches, this Blueair replacement filter fits perfectly into your Blue Pure 211+ air purifier, ensuring seamless installation and optimal performance. The polypropylene air filter replacement media construction provides durability and consistent filtration power, while the carbon air filter layer effectively neutralizes odors and gaseous pollutants. For optimal air purifier performance, replace your air purifier filter approximately every 6 months or when indicated. Regular air purifier filter replacement ensures your air purifier continues operating at peak efficiency, providing consistently clean, healthy indoor air for your family. \u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\\\"display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;line-height:0;font-size:0;\\\"\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/f0aa8bce-03d7-44bf-bf4d-aa66338a5bbe._CR0,0,3880,1200_PT0_SX970__.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/b83bf2de-3962-4527-adec-187d5b379c43._CR0,0,3880,1200_PT0_SX970__.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/50568baa-5a0f-411e-852c-7da49fdb8b85._CR0,0,3880,1200_PT0_SX970__.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003c\/div\u003e\",\"64452896915825\":\"\u003ch4\u003eAbout This Item\u003c\/h4\u003e\u003cul class=\\\"about-this-item\\\"\u003e\u003cli\u003eThe information below is per-pack only\u003c\/li\u003e\u003cli\u003eBLUEAIR GENUINE FILTER: For Blue Pure 211+ Air Purifiers; Blueair genuine Blue Pure 211+ Replacement filter for 211+ Series is designed for optimal performance, efficient filtration, proper airflow and consistent clean air throughout your home. NOT COMPATABLE WITH BLUE 211+ AUTO\u003c\/li\u003e\u003cli\u003eLET’S CLEAR THE AIR BETTER: Enjoy cleaner, fresher air for your family, guests, and pets. Removes airborne particles like dust, pollen, smoke, mold allergens, and pet dander while the activated carbon filter helps reduce unwanted household odors.\u003c\/li\u003e\u003cli\u003eFILTERS BUILT TO LAST: Using a 360-degree air intake and up to 4x the filter surface area, the Genuine Blue Pure 211 plus Auto Particle and Activated Carbon Filter lasts on average 6 months to a year; optimizing air flow and performance over time\u003c\/li\u003e\u003cli\u003eMOST AWARDED AIR PURIFIER BRAND IN THE US: Independently tested for performance, Zero Ozone; AHAM verified air purifier filter replacement delivers consistent clean air delivery rate (CADR) performance with Zero Ozone certification and Quiet Mark approval for reliable home air quality improvement.\u003c\/li\u003e\u003cli\u003eDESIGNED FOR YOUR BLUEAIR PURIFIER: Genuine Blueair replacement filters help ensure optimal airflow and trusted filtration performance, helping capture dust, pollen, smoke, pet dander, and odors as intended. Filters not designed by Blueair may compromise Blueair units and clean air performance.\u003c\/li\u003e\u003cli\u003eSUBSCRIBE \u0026 SAVE: Save 20% on your first filter order and keep yourBlueair Air Purifier running at peak performance with effortless auto-delivery every 6 months.\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003ctable class=\\\"product-overview\\\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eBrand\u003c\/th\u003e\u003ctd\u003eBLUEAIR\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaterial\u003c\/th\u003e\u003ctd\u003eCarbon Fiber\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCompatible Devices\u003c\/th\u003e\u003ctd\u003eAir Purifier\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eItem Weight\u003c\/th\u003e\u003ctd\u003e19.9 pounds\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNumber of Items\u003c\/th\u003e\u003ctd\u003e7\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eManufacturer\u003c\/th\u003e\u003ctd\u003eBlueair\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUnit Count\u003c\/th\u003e\u003ctd\u003e7 Count\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCompatible Hvac Systems\u003c\/th\u003e\u003ctd\u003eresidential\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cdiv class=\\\"product-desc\\\"\u003e\u003cp\u003e The Blue Pure 211+ Particle and Activated Carbon Replacement Filter protects against both gaseous and particulate contaminates. An activated carbon mesh layer eliminates harmful gaseous pollutants such as volatile organic compounds (VOCs), tobacco smoke, and other odors. In addition, advanced polypropylene filter media removes particle pollutants down to 0.1 micron in size from your indoor air, such as pollen, dust, and pet dander. Using a 360-degree air intake and up to 4 times the filter surface area than competing replacement filters, the Blue Pure 211+ Particle and Activated Carbon Filter lasts longer, on average from 6 months to a year. Subscribe \u0026 save up to 10% on auto-delivered filters when replacement is needed; We recommend replacing your filter about every 6 months depending on usage. NO COMPARISON – 4X FILTER SURFACE AREA \u0026 360 AIR INTAKE: Blueair models with HEPASilent's mechanical and electrostatic filtration produced higher CADR, lower noise, and had lower energy consumption vs. the same models with only mechanical filtration (H13 filter). *Tested on E.coli, Influenza A (H1N1), A.niger with a minimum reduction rate of 99.9% in 60min. \u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\\\"display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;line-height:0;font-size:0;\\\"\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/f0aa8bce-03d7-44bf-bf4d-aa66338a5bbe._CR0,0,3880,1200_PT0_SX970__.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/b83bf2de-3962-4527-adec-187d5b379c43._CR0,0,3880,1200_PT0_SX970__.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/50568baa-5a0f-411e-852c-7da49fdb8b85._CR0,0,3880,1200_PT0_SX970__.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003c\/div\u003e\",\"64452896948593\":\"\u003ch4\u003eAbout This Item\u003c\/h4\u003e\u003cul class=\\\"about-this-item\\\"\u003e\u003cli\u003eCompatibility: Genuine Blueair 211 replacement filter designed specifically for Blue Pure 211+ and 211+ Auto air purifiers, ensuring optimal performance and seamless integration with your existing air purification system for maximum efficiency.\u003c\/li\u003e\u003cli\u003eAllergenBlock: Advanced 4-layer filtration technology neutralizes common allergens including pollen, pet dander, and dust particles, providing superior protection against sneeze-inducing airborne contaminants that trigger discomfort.\u003c\/li\u003e\u003cli\u003eCarbon Filter: Integrated activated carbon filter effectively reduces light household odors while the multi-stage air purifier filter replacement captures microscopic particles, delivering comprehensive air purification for cleaner environments.\u003c\/li\u003e\u003cli\u003eSpecifications: Measures 3.25 in x 12.25 in x 20.75 in and requires replacement every 6 months when used continuously 24 hours daily to maintain peak filtration performance and ensure effective removal of airborne pollutants.\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eProduct 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vs=document.querySelector(\"variant-selects,variant-radios\");if(!vs)return;vs.querySelectorAll(\".product-form__input\").forEach(function(b,i){if(i\u003e=no.length)return;var v=no[i];var rs=b.querySelectorAll(\"input[type=radio]\");for(var j=0;j\u003crs.length;j++){if(rs[j].value===v\u0026\u0026!rs[j].checked){rs[j].click();return;}}var sl=b.querySelector(\"select\");if(sl\u0026\u0026sl.value!==v){sl.value=v;sl.dispatchEvent(new Event(\"change\",{bubbles:true}));}});}var vasT=null,vasB=false;document.addEventListener(\"change\",function(e){var t=e.target;if(!t||t.name===\"id\")return;var b=t.closest(\".product-form__input\");if(!b)return;var vs=b.closest(\"variant-selects,variant-radios\");if(!vs)return;var bs=Array.from(vs.querySelectorAll(\".product-form__input\"));var ci=bs.indexOf(b);if(ci\u003c0)return;if(vasT)clearTimeout(vasT);vasT=setTimeout(function(){vasT=null;if(vasB)return;var s=getSels();if(!s.length||isValid(s))return;var 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