Specification Brand : FAST SHIPPED FILTERS BulletPoint1 : Fast-Shipped-Filters 7 Pack 20x20 Replacement Filter Pads Compatible with Dynamic Electronic Air Cleaner 20x20 polarized pads refill BulletPoint2 : Actual Filter Size 18.5"x17.5" BulletPoint3 : Filtration Technology: Activated FULL CARBON CENTER & Removes Orders, off gassing, Smoke, Dust Candle Soot and more / Ozone free / Made in USA BulletPoint4 : Replace Every 1 to 4 Months: Depending Local air quality for optimal performance. BulletPoint5 : For Commercial Quotes or Large Orders Contact us through Amazon BulletPoint6 : The products advertised on this page are manufactured by Fast-Shipped-Filters. BulletPoint7 : Fast Shipped Filters is a family-owned business in Swanton, Ohio that has been in the Heating Cooling & Air Purification industry since 1984 Color : Blue CompatibleDevices : Air Cleaner ControllerType : Button Control ControlMethod : remote ExternallyAssignedProductIdentifier1 : 0880790339753 ExternallyAssignedProductIdentifier2 : 880790339753 FilterType : ABS FitType : Vehicle Specific Fit FloorArea : 132 square_centimeters IncludedComponents : 3 Filters ItemName : Fast-Shipped-Filters 7 Pack 20x20 Replacement Filter Pads Compatible with Dynamic Electronic Air Cleaner 20x20 polarized pads refill ItemPackageDimensions_Height : 5.3 centimeters ItemPackageDimensions_Length : 14.4 centimeters ItemPackageDimensions_Width : 14.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electrostatic-filter-air-purifiers ItemTypeName : 20x20 filters Manufacturer : Fast-Shipped-Filters Material : Carbon Fiber ModelName : 20x20 D_B3 ModelNumber : 20x20 D_Bx3 NumberOfItems : 3 PartNumber : 240124WS02-10515-1449448551 PowerSourceType : AC/DC ProductDescription : Fast-Shipped-Filters 7 Pack 20x20 Replacement Filter Pads Compatible with Dynamic Electronic Air Cleaner 20x20 polarized pads refill ProductGrade : Replacement Part ProductSiteLaunchDate : 2024-03-13T12:20:11.678Z Size : 14x24 Filters SpecificationMet : UL Certified Style : fashion SupplierDeclaredDgHzRegulation : unknown UnitCount : 3 Voltage : 886 volts WarrantyDescription : 30 Days