Specification AirFilterConstruction : Pleated Brand : Aerostar BulletPoint : Made in United States BulletPoint1 : CHECK YOUR FIT - Nominal size: 18x20x1; Actual size: 17 3/4"x19 3/4"x3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5 BulletPoint10 : FOR RESIDENTIAL use only BulletPoint2 : Designed to filter microscopic particles such as lint, dust mites, spores, and pollen BulletPoint3 : IMPROVE INDOOR AIR QUALITY - Protect your family and loved ones with clean indoor air quality at home. Aerostar filters are a simple to install and cost-effective step towards a healthier home environment. BulletPoint4 : HIGH PERFORMING - 100% synthetic electrostatic media for high efficiency with low air flow resistance. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest. BulletPoint5 : Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive BulletPoint6 : The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it BulletPoint7 : FIND YOUR SIZE: MPR 1000, MPR 1200 and MPR 1550 available in 4 in., 4 in. slim fit and 5 in. thick air filters BulletPoint8 : FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4 in. and 5 in. Filters BulletPoint9 : A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ChangeReminders) that works for you! Color : White CommonApplications : Allergen Reduction CompatibleDevices : AprilAire Models: 2200, 2250 CompatibleDevices1 : Furnace CompatibleDevices2 : Air Conditioner CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 00076308932244 ExternallyAssignedProductIdentifier1 : 192212000159 ExternallyAssignedProductIdentifier2 : 0192212000159 ExternallyAssignedProductIdentifier3 : 00192212000159 IncludedComponents : 4 Pack IsOemAuthorized : 1 ItemDisplayDimensions_Height : 50 centimeters ItemDisplayDimensions_Width : 100 centimeters ItemDisplayWeight : 2.04 pounds ItemName : Aerostar 18x20x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen ItemPackageDimensions_Height : 51.308 centimeters ItemPackageDimensions_Length : 9.906 centimeters ItemPackageDimensions_Width : 46.99 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : Filtration Group MasterPackLayersPerPalletQuantity : 3 MasterPacksPerLayerQuantity : 3 Material : pleated MaximumPressure : 150 pounds_per_square_inch MetalType : Bonded Glass Fiber MinimumEfficiencyReportingValue : 8 ModelName : 18x20x1 MERV 8 4-Pack ModelNumber : 18x20x1 MERV 8 NumberOfItems : 1 OemEquivalentPartNumber : 18x20x1 MERV 8 4-Pack PackageLevel : unit PartNumber : 18x20x1 MERV 8 Pattern : Air Filter ProductDescription : Hydraulic Filter Element, Micron Rating 10, Filter Media - Filters Paper, Max. Flow 50 gpm, Max. Pressure 150 psi, Primary Filter Removes Contaminants, Thread Size -, Seal Material Nitrile ProductGrade : new ProductSiteLaunchDate : 2019-12-04T12:15:28.321Z SafetyDataSheetUrl : http://images.salsify.com/image/upload/s--bmzR29Zf--/pwg3iibnfqrefjwivyyy.pdf Size : 4 PACK StreetDate : 2017-08-24T00:00:01Z Style : Standard SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4 UnspscCode : 40161505 WarrantyDescription : Limited Warranty. This product will be free from defects in material and manufacture. User is responsible for determining whether the product is fit for a particular purpose and suitable for user’s application. If this 3M product is defective, your exclusive remedy and 3M’s sole obligation shall be, at 3M’s option, to replace the 3M product or refund the purchase price of the 3M product. This warranty does not cover normal wear and tear, or damage resulting from accident, misuse, alteration or lack of reasonable care. WebsiteShippingWeight : 1.021 kilograms