Specification AirFilterConstruction : Pleated Brand : Purafilter BulletPoint1 : Nominal Size 18 x 30 x 1. Actual Size 17.5 x 29.5 x 0.75 BulletPoint2 : Merv 11 rated and high-efficiency air filter BulletPoint3 : Traps micro-particles associated with allergies like ragweed and pollen BulletPoint4 : Each filter lasts up to 90 days BulletPoint5 : Pack of 4 Filters Color : White CommonApplications1 : Allergen Reduction CommonApplications2 : High Strength CommonApplications3 : Odor Reduction CompatibleDevices : Air Conditioner CompatibleDevices1 : Furnace CompatibleDevices2 : Heat Pump CompatibleDevices3 : Air Conditioner CompatibleDevices4 : Air Cleaner CompatibleDevices5 : HVAC System CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 6958104863486 ExternallyAssignedProductIdentifier1 : 886566246782 ExternallyAssignedProductIdentifier2 : 719218102337 ExternallyAssignedProductIdentifier3 : 0719218102337 ExternallyAssignedProductIdentifier4 : 0886566246782 ExternallyAssignedProductIdentifier5 : 00886566246782 GpsrSafetyAttestation : 1 IncludedComponents : 4 Air Filters ItemDisplayWeight : 3 pounds ItemName : Purafilter Gold 18x30x1 (17.5 x 29.5) (MERV 11) 1-Inch Filter (4 Pack) ItemPackageDimensions_Height : 76.2 centimeters ItemPackageDimensions_Length : 10.16 centimeters ItemPackageDimensions_Width : 45.72 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : Dupont Material : Metal Material1 : Plastic Material2 : Aluminum Material3 : Polypropylene MinimumEfficiencyReportingValue : 11 ModelName : Gold MERV 11 ModelNumber : KG18X30X1 NumberOfItems : 4 PackageLevel : unit PartNumber : KG18X30X1 Pattern : 2 Pack ProductDescription : Custom-sized Merv 8 media filters for replacement of exact fit series media air cleaners PROTECH PD540042 - Replacement Merv 8 Media Filters for Exact Fit XHF Series Media Air Cleaners, 21" X 21" X 5" ProductGrade : Replacement Air Filter ProductSiteLaunchDate : 2017-06-07T17:17:47.386Z RegulatoryComplianceCertification : R37912 Size : 18" x 30" x 1" Style : Industrial SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4 UnspscCode : 40161505 WarrantyDescription : Defective items and products that were shipped incorrectly are subject to a refund or replacement on a case by case basis. Please contact our customer support team for more information if you experience any issues. WebsiteShippingWeight : 1.406 kilograms