Specification Brand : Aerostar BulletPoint1 : Nominal size: 18x18x1; Actual Size: 17 3/4"x17 3/4"x3/4"; This MERV 6 filter is comparable with MPR 300 & FPR N/A BulletPoint2 : Designed to filter microscopic particles such as lint, dust, and pollen BulletPoint3 : Simple to install and a cost-effective step towards a healthier home environment. For best results, change your filters every 60 to 90 days but increase frequency to 30 days during peak summer and winter months BulletPoint4 : 100% synthetic electrostatic media for high efficiency with low air flow resistance BulletPoint5 : Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive Color : White CompatibleDevices1 : Furnace CompatibleDevices2 : Air Conditioner CompatibleDevices3 : Air Cleaner ExternallyAssignedProductIdentifier1 : 192212079926 ExternallyAssignedProductIdentifier2 : 0192212079926 IncludedComponents : filters ItemName : Aerostar 18x18x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack (Actual Size: 17 3/4"x17 3/4"x3/4") ItemPackageDimensions_Height : 18 inches ItemPackageDimensions_Length : 18 inches ItemPackageDimensions_Width : 5.25 inches ItemPackageQuantity : 1 ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : Aerostar Material : Paper MinimumEfficiencyReportingValue : 6 ModelName : P60S.011818-6 ModelNumber : P60S.011818-6 NumberOfItems : 6 PackageLevel : unit PartNumber : P60S.011818-6 Pattern : Air Filter ProductGrade : new ProductSiteLaunchDate : 2023-11-13T22:30:43.198Z Size : 6 PACK Style : Basic SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 6 UnspscCode : 40161505 WarrantyDescription : 30 Day WebsiteShippingWeight : 3.2 pounds