Specification Brand : Filter Everything BulletPoint1 : Permanent filter that lasts years with proper care BulletPoint2 : Electrostatic materials captures dust, dirt, pollen pet dander, allergens, pet hair, and other household irritants BulletPoint3 : Heavy Duty aluminum frame with water drain holes for easy cleaning. Tough and Durable construction to last years. Wash every 3 months, more frequently if you have many pets. BulletPoint4 : 20x 25 x 1 BulletPoint5 : Merv9 CompatibleDevices : Furnace ExternallyAssignedProductIdentifier1 : 811969013877 ExternallyAssignedProductIdentifier2 : 0811969013877 GpsrSafetyAttestation : 1 ItemDisplayDimensions_Height : 20 inches ItemName : Electrostatic Filter for Home Furnaces - Washable - 20x 25 x 1 - Merv9 ItemPackageDimensions_Height : 65.024 centimeters ItemPackageDimensions_Length : 4.572 centimeters ItemPackageDimensions_Width : 51.562 centimeters ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : Duraflow Filtration Material : Aluminum MinimumEfficiencyReportingValue : 9 ModelNumber : DEF20251 PartNumber : DEF20251 ProductDescription : Duraflow Filtration's DEF20251 electrostatic furnace filter is a permanent filter which will last for years with proper care. The electrostatic materials we use capture dust, dirt, pollen, pet dander, allergens, pet hair, and other household irritants. The heavy duty aluminum frame with water drain holes makes for easy cleaning. These filters should be washed every 3 months, and more frequently if you have many pets. This filter's dimensions measure 20x 25 x 1. Merv9 rated. ProductGrade : new ProductSiteLaunchDate : 2018-11-24T08:44:01.624Z Size : 1 Count (Pack of 1) SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 40161505 WebsiteShippingWeight : 1.406 kilograms