Specification Brand : Virego BulletPoint1 : 【Various of Compatibility】:The 20x20x3 air filter is able to fit most 1’’ return air grilles with no issues. Self-sealing flexible gasket provide longer lifespan of the filter. Many homeowners are limited as to their choice of filter replacements that because of the one-inch limitation of filter grilles. The 20x20x3 air filter solved the problem perfectly with the various of compatibility BulletPoint2 : 【Longer Lifespan】:The 20x20x3 MERV 13 air filter is designed to last up to 6 months or longer that depends on local environment factors. We recommend you change your air filter every 6 months for the best performance BulletPoint3 : 【Dimensions】:The outside dimensions including gasket are 20’’x20’’x3’’, the inside dimensions of the filter are 18-3/8’’ x 18-3/8’’ x 3’’. The dimension of the MERV 13 filter allowed many homes across the country install the filter easily without retrofitting their systems BulletPoint4 : 【Low-Pressure Drop】:The low-pressure drop design of the 20x20x3 MERV 13 filter is able to lower the energy consumption and maintenance, furthermore, extends the useful lifespan of your HVAC system. 10-12 pleats per foot filter face area increase the filtration efficiency of the air filter BulletPoint5 : 【Excellent After-Sales Service】:All of our products have passed our strict inspection before any shipments. If any problems occur when comes to using the 20x20x3 air filter, and we will send a new one to you. If you have any questions about our 20x20x3 filter or questions related to other problems, you can always communicate with us, we will help you solve the problem within 12 hours Color : Gray CompatibleDevices : Air Purifier ControlMethod : touch CustomerPackageType : Standard Packaging Department : unisex-adult ExternallyAssignedProductIdentifier : 6411580074208 ExternallyAssignedProductIdentifier1 : 0040121069289 ExternallyAssignedProductIdentifier2 : 040121069289 ExternallyAssignedProductIdentifier3 : 6411580073355 FitType : Vehicle Specific Fit GpsrSafetyAttestation : 1 IncludedComponents : Air Filter ItemName : 20''x20''x3'' MERV 13 Air Filter 2 Packs, 20x20x3 Air Filter Last Up to 6 Months, Pleated Design Filter Fits Most 1’’ Return Air Grilles ItemPackageDimensions_Height : 53.975 centimeters ItemPackageDimensions_Length : 18.415 centimeters ItemPackageDimensions_Width : 50.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : Virego Material : Polypropylene MinimumEfficiencyReportingValue : 13 ModelName : 20x20x3 ModelNumber : 20x20x3,MERV13,1'' return air grilles NumberOfBoxes : 1 NumberOfItems : 2 OemEquivalentPartNumber : 23435354 PartNumber : 20x25x3 ProductDescription : Virego 20’’x20’’x3’’ MERV 13 Air Filter 2 Packs, 20x20x3 Air Filter Last Up to 6 Months, Pleated Design Air Filter Fits Most 1’’ Return Air Grilles ProductGrade : like new ProductSiteLaunchDate : 2023-12-25T09:05:48.834Z Size : 2 Pack SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 2 UnspscCode : 40161505 WarrantyDescription : 2 Year Warranty WebsiteShippingWeight : 1.724 kilograms