Specification Brand : Chenzhit BulletPoint1 : Fits Wide application of air filters 16 3/8 x 21 1/2 x 1 Furnace Air Filters, MPR 1900 & FPR 10, MERV 13 Pleated Air Filter (Actual Size: 16 3/8"x21 1/2"x3/4") BulletPoint2 : The filters is suitable for air conditioner, furnace, HVAC filter, air scrubber, dehumidifiers and house vent BulletPoint3 : Easy to install Easy to install and a cost-effective step for your healthy home environment. For best use, please change your air filters every 60 to 90 days, but increase frequency to 30 days during peak summer and winter months. BulletPoint4 : If there is a problem with the product you received, you can contact us at any time and we will deal with it for you. BulletPoint5 : If there is a problem with the product you received, you can contact us at any time and we will deal with it for you. Color : White CompatibleDevices : Furnace CompatibleDevices1 : Air Cleaner CompatibleDevices2 : Air Conditioner CompatibleDevices3 : Furnace CompatibleDevices4 : Heat Pump ExternallyAssignedProductIdentifier1 : 619988836619 ExternallyAssignedProductIdentifier2 : 0619988836619 ExternallyAssignedProductIdentifier3 : 00031949152734 GpsrSafetyAttestation : 1 IncludedComponents : FLANDERS 10055.01163 EZ Flow II MERV 4 Economy Fiberglass Air Filter, 16X30X1 In. - 119167 ItemDisplayDimensions_Height : 31 inches ItemDisplayDimensions_Width : 17 inches ItemDisplayWeight : 4.8 pounds ItemName : Chenzhit (4 Pack) 16 3/8x21 1/2x1 Furnace Air Filters, MPR 1900 & FPR 10, MERV 13 Pleated Air Filter (Actual Size: 16 3/8"x21 1/2"x3/4") ItemPackageDimensions_Height : 56.0324 centimeters ItemPackageDimensions_Length : 9.1948 centimeters ItemPackageDimensions_Width : 43.815 centimeters ItemPackageQuantity : 1 ItemShape : Cone ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : Chenzhit Material : Paper MinimumEfficiencyReportingValue : 13 ModelName : FLANDERS 10055.01163 EZ Flow II MERV 4 Economy Fiberglass Air Filter, 16X30X1 In. - 119167 ModelNumber : 16 3/8 x 21 1/2 x 1 NumberOfItems : 4 NumberOfLithiumMetalCells : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : 16 3/8 x 21 1/2 x 1 ProductDescription : Fits Wide application of air filters 16 3/8 x 21 1/2 x 1 Furnace Air Filters, MPR 1900 & FPR 10, MERV 13 Pleated Air Filter (Actual Size: 16 3/8"x21 1/2"x3/4") ProductGrade : Good ProductSiteLaunchDate : 2023-09-02T05:06:51.855Z Size : 0.75 Style : 16 3/8x21 1/2x1 4-P M13 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4 UnspscCode : 40161505 WarrantyDescription : Warranty WebsiteShippingWeight : 1.633 kilograms