Specification Brand : Aerostar BulletPoint1 : Nominal size: 19 7/8x21 1/2x1; Actual size: 19 7/8"x21 1/2"x3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5 BulletPoint2 : Designed to filter microscopic particles such as lint, dust mites, spores, 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 CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 192212001354 ExternallyAssignedProductIdentifier2 : 0192212001354 ExternallyAssignedProductIdentifier3 : 00192212001354 IsOemAuthorized : 1 ItemName : Aerostar 19.875x21.5x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing Pollen ItemPackageDimensions_Height : 55.245 centimeters ItemPackageDimensions_Length : 9.525 centimeters ItemPackageDimensions_Width : 51.181 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : Filtration Group Material : pleated MinimumEfficiencyReportingValue : 8 ModelName : 19 7/8x21 1/2x1 MERV 8 4-Pack ModelNumber : 19 7/8x21 1/2x1 MERV 8 NumberOfItems : 1 OemEquivalentPartNumber : 19 7/8x21 1/2x1 MERV 8 4-Pack PackageLevel : unit PartNumber : 19 7/8x21 1/2x1 MERV 8 Pattern : Air Filter ProductDescription : 13x21 1/2x1 Carrier Replacement Filter by Aerostar - MERV 8, Box of 4 Replaces Bryant/Carrier part # KFAFK0112SML Fits HVAC Unit Models: Carrier: 018/024, FV4, FK4, FC4, FB4, FA4, FH4, FA4ANF024, FA4BNC024, FA4BNF024, FB4ANF024, FB4BNF024, FC4CNF024000AAAA, FX4CNF018 (1.5 - 2 Tons) Bryant and Payne: FV4, FK4, FC4, FB4, FA4, FH4, PF1MNC018, PF1MNC019 (1.5 - 2 Tons) Pleated MERV 8 Media Comparable to MPR 600 and FPR 5 Designed for Superior Filtration Efficiency Made with electrostatically charged synthetic material that draws and captures allergens between 3 - 10 microns, including lint, dust mites, spores, pollen, pet dander, and dust. Reduce Cost An Aerostar furnace air filter helps keep your HVAC unit working efficiently by removing dirt and reducing strain on the motor. When your unit runs properly, it consumes less energy, requires less maintenance and will have a longer life. These factors will have an impact on your utility bill and maintenance costs. It is recommended that you change the filter 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. About Aerostar Air Filters Aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications. The Aerostar brand is known for constantly innovating and improving their technology to help make filtration more efficient, effective and environmentally friendly every day. What's in the Box Box of four Aerostar MERV 8 Pleated Furnace Air Filters. MERV 8 filters are comparable to MPR 600 and FPR 5 ratingsNominal Size: 13 x 21-1/2 x 1, Actual Size: 12 7/8" x 21-1/2" x 3/4" , Size: 13x21 1/2x1, AC and Furnace Air Filters ProductGrade : used ProductSiteLaunchDate : 2019-12-10T18:21:18.052Z Size : 19.9" x 21.5" x 0.8" Style : Standard SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4 UnspscCode : 40161505 WebsiteShippingWeight : 1.315 kilograms