Specification Brand : KeeTidy BulletPoint1 : COMPATIBILITY: These model 15 replacement filters compatible with MA air puri-fier 15 series S1/W1/B1/S2/W2/B2. The performance of the filter cartridge will deteriorate over time, or even become ineffective, causing secondary pollution. We recommend replacing the filter every 3-4 months or when the air purifier's replacement cartridge light turns red, please replace the cartridge in time BulletPoint2 : 3-STAGE FILTRATION: These model 15 replacement filters feature a 3-stage filtration system that more effectively eliminates dust, impurities, and odors from the air, filling your room with fresh, non-irritating air BulletPoint3 : FIRST LAYER PRE-FILTER: The pre-filter is made of saturated polyester material, which is resistant to bending, oil and acid, alkali, etc. It can pre-treat the air, effectively intercept 10 PM particulate pollutants such as dust, hair, and fine debris, and prolong the service life of the filter BulletPoint4 : MIDDLE LAYER TRUE HEPA H13 FILTER: These model 15 replacement filters made of electrostatic electret composite filter paper material, it can capture 99.9% of the air particles as small as 0.1 microns, and more effectively remove dust, and PM2.5, so that breathing is easier BulletPoint5 : THIRD LAYER ACTIVATED CARBON FILTER: These model 15 replacement filters made of coconut shell activated carbon, which can effectively remove formaldehyde and odor, making the air fresher CompatibleDevices : Air Purifier ItemName : KeeTidy 4 Pack Model 15 Replacement Filters Compatible with Air Puri-fier MA Series, H13 True HEPA and Activated Carbon, 3 in 1 with Pre-Filter ItemPackageDimensions_Height : 26.3906 centimeters ItemPackageDimensions_Length : 11.4046 centimeters ItemPackageDimensions_Width : 14.3002 centimeters ItemTypeKeyword : air-purifier-replacement-filters Manufacturer : KeeTidy Material : Polyester, Electrostatic electret composite filter paper, Coconut shell activated carbon MinimumEfficiencyReportingValue : 13 ModelNumber : 15 S1 or 15 W1 NumberOfItems : 4 PartNumber : KT_KP000751 ProductDescription : COMPATIBILITY: These 15 replacement filters compatible with 15 S1/W1
3-STAGE FILTRATION: These filters use a three-stage filtration system, which can more effectively remove dust, impurities, and odors
SUPER FILTER CAPACITY: These HEPA filters can remove 99.97% of impurities, providing you and your family with a comfortable environment
PACKAGE: The package include 4 pack replacement filters compatible with 15 S1/W1 ProductGrade : New or Like New ProductSiteLaunchDate : 2022-01-05T08:00:00.000Z Size : 4 Piece Set SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4 UnspscCode : 40161505 WebsiteShippingWeight : 0.621 kilograms