Specification Brand : No-Toil BulletPoint1 : Patented Filter Technology: Castle Filters use 3 layers of ¼-inch open-celled foam, with a patented tacky center layer that catches dust like fly paper. Proudly made in USA - US patent #10,183,249 B2 BulletPoint2 : MERV 8: The High-Flow MERV 8 air filter effectively removes 93% of the most harmful dust particles and offers superior protection of your equipment and home while still allowing maximum air-flow BulletPoint3 : HVAC Filter: Castle Filters have 400% more surface area for dust and other particles to collect. The internal foam is treated with a sticky material to collect more dust while letting the air pass through BulletPoint4 : Lasts One Year: The furnace filter holds up to 20 times more dust than a pleated filter. While pleated filters need to be replaced about once a month, the Castle Air Filter lasts one year which is 4-12x longer than the others BulletPoint5 : Save Energy and Lower Land Fill Contribution: Castle Air Filter helps you save energy with its advanced filtration technology and also helps in generating less waste as it need not be changed every month like a standard filter CompatibleDevices : Furnace CompatibleDevices1 : Air Conditioner CompatibleDevices2 : Furnace CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 852020006117 ExternallyAssignedProductIdentifier2 : 0852020006117 ExternallyAssignedProductIdentifier3 : 00852020006117 GpsrSafetyAttestation : 1 IncludedComponents : air filters ItemName : No Toil, Castle One-Year HVAC Furnace Filter, 20" x 36" x 1" ItemPackageDimensions_Height : 91 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 50.544965517241 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : No Toil Material : Paper MinimumEfficiencyReportingValue : 8 ModelName : One-Year ModelNumber : 000020361 NumberOfItems : 1 PackageLevel : unit PartNumber : 000020361 Pattern : 20” x 36” x 1” ProductGrade : new ProductSiteLaunchDate : 2017-12-31T08:00:01.000Z Size : 20" x 36" x 1" Style : MERV 8 - High Flow SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 40161505 WarrantyDescription : One year. WebsiteShippingWeight : 0.499 kilograms