Specification Brand : Cabiclean BulletPoint1 : 25 replacement filters exactly designed for MA Series 25 S1/W1/B1 models air purifier S1/W1/B1 models.The package includes 2 filters, and it's recommended to replace the filters every 3-4 months on both sides at the same time. BulletPoint2 : MA Series 25 replacement flters are made of 3-in-1 filtration systems including Nylon Pre-Filter, H13 Medical Grade True HEPA Filter, and Activated Carbon Filter. BulletPoint3 : The 25 True HEPA filter are capable of attaching 99.99% of airborne particles as small as 0.01 microns, and the carbon filter helps you solve the problem of unpleasant odors and gases. BulletPoint4 : Package includes 2 filters. Fully meet your needs for the replacement of 25 filter, with premium materials and advanced technology, ideal solution for homes with pets, smokers, open layout kitchens. BulletPoint5 : We value customer service and satisfaction. If you have any problems with the filter fitting your air purifier, please contact us through our Amazon home page. Filter made of FSC-Certified paper BulletPoint6 : Color : 1 Set CompatibleDevices : 25 Air Purifier GpsrSafetyAttestation : 1 IncludedComponents : 4 x FRF102B Replacement Dual Action HEPA-Type Air Purifier Filter ItemName : 25 Replacement Filter for MA Series S1/W1/B1 25 Models Air Purifier, 3-in-1 True HEPA Activated Carbon Filter ItemPackageDimensions_Height : 26.1112 centimeters ItemPackageDimensions_Length : 8.001 centimeters ItemPackageDimensions_Width : 18.8976 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : air-purifier-replacement-filters Manufacturer : Cabiclean Material : Carbon Fiber MinimumEfficiencyReportingValue : 13 ModelName : 25 Replacement Filter ModelNumber : MA-25 NumberOfItems : 2 PartNumber : MA-25 ProductDescription : 25 replacement filters exactly designed for MA Series 25 S1/W1/B1 models air purifier. The package includes 2 filters, and it's recommended to replace the filters every 3-4 months months. ProductGrade : new ProductSiteLaunchDate : 2020-08-26T01:37:10.865Z Size : 2 Count (Pack of 1) Style : 4x HEPA & 8x Carbon SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 2 UnspscCode : 40161505 WebsiteShippingWeight : 0.59 kilograms