Specification Brand : XBWW BulletPoint1 : 【Compatible Models】Fully compatible with Blue Pure 411, 411+ , 411 Auto & Mini BulletPoint2 : 【Premium H13 HEPA Filtration】 BulletPoint3 : 【Activated Carbon Filter】Equipped with an activated carbon layer, these filters help absorb odors, gases, and VOCs, ensuring a fresher, healthier living environment. BulletPoint4 : 【3 Washable Pre-Filters Included】Each pack includes 3 washable outer cloth pre-filters that help trap larger particles, preserving the life of the main filter and enhancing efficiency. BulletPoint5 : 【Cost-Effective Packages】The pre-filters are reusable, reducing waste and saving you money on replacements while maintaining optimal performance BulletPoint6 : Easy Installation: It is fairly easy to install the 411i Max, 411a Max, and F4MAX air filters, no tools are required. Take out and replace your machine unit when needed. BulletPoint7 : B0BN2LH4RK, B08KPJQBQT, B08KPJ7SCC, B08KPHR6C2, B08KPH4PJF, B0BN2HZX1C Color : 2 HEPA Filters and 3 Cloth Pre-filters CompatibleDevices : Blue Pure 411, Blue Pure 411+ and Blue Pure 411 Auto ControllerType : Button Control ControlMethod : touch ExternallyAssignedProductIdentifier1 : 850009078988 ExternallyAssignedProductIdentifier2 : 0850009078988 FilterType : UV Light FloorArea : 800 square_meters GpsrSafetyAttestation : 1 IncludedComponents : LED ItemDisplayWeight : 2.4 pounds ItemName : XBWW 2 Packs 411 Replacement Filter Compatible with Blue Pure 411, 411+, 411 Auto & Mini with 3pcs Outer Cloth Pre-Filter Cover ItemPackageDimensions_Height : 30.099 centimeters ItemPackageDimensions_Length : 9.7028 centimeters ItemPackageDimensions_Width : 29.0068 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : air-purifier-accessories Manufacturer : XBWW Material : H13 True HEPA and Activated Carbon Filter Material1 : Polyester Material2 : Polypropylene MaximumCompatibleLightSourceWattage : 18 watts MinimumEfficiencyReportingValue : 16 ModelName : Blue Pure 411, 411+, 411 Auto and MINI ModelNumber : Blue Pure 411, 411+, 411 Auto and MINI MountingType : Wall Mount NoiseLevel : 10 decibels NumberOfBoxes : 1 NumberOfItems : 2 NumberOfLightSources : 1 PackageLevel : unit PartNumber : 411 PowerSourceType : Corded Electric ProductDescription : Filter ProductGrade : new ProductSiteLaunchDate : 2023-11-19T03:12:41.259Z Size : 18W-WallPlug Style : 411 Basics Filter 2HEPA and 3 Pre-filter SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 5 UnspscCode : 40161505 Voltage : 120 volts WarrantyDescription : No Applicable WebsiteShippingWeight : 0.621 kilograms