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FaucetsMore Top BrandsResold Air ConditionersResold Air PurifiersResold Cooling & HeatingResold DysonResold HeatersResold Home ImprovementResold MideaResold SharkResold WINIXSafety Equipment and GearAir QualityAir ToolsAlarm SystemsAll Garage StorageAll Home SecurityAll Renewable EnergyAll Tool SetsAmerican StandardAsphalt, Concrete & MasonryAwningsBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBetter Homes & Gardens Home ImprovementBLACK+DECKERBostitchBrackets and Angle IronsBreakers, Distributors, and Load CentersBritaBulk & Commercial Toilet PaperCable ManagementCar Emergency SuppliesCaulking & SealantsChains, Ropes and TiedownsCommercial LightingConduits and FittingsDeckingDehumidifiersDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoor WeatherproofingDoorbellsDoorsDrawer HardwareDuck WeatherproofingDyson Air QualityElectric MotorsElectrical ToolsElectrical Wire & CableElectronic Communication ComponentsEmergency SuppliesEmersonEnvionEvaporative Coolers and PartsExtension Cord ReelsExtension CordsExterior PaintFastenersFiltreteFire SafetyFireplacesFlashlightsFurniture HardwareGarage CabinetsGarage Door Openers and HardwareGarage LightsGarage Shelves and RacksGarage Storage SystemsGarbage DisposalsGuttering & DrainageHaierHand ToolsHardware KnobsHART AutomotiveHART Lawn & GardenHART LifestyleHART Power ToolsHART Protective GearHART VacuumsHolmesHome SafetyHome Safety by BrandHooksHVAC Ducting and VentilationInsulationInterconnect TerminalsInterior PaintKitchen Fixtures and MaterialsKitchen HardwareKitchen PlumbingKNIPEX ToolsKohlerKrausLaddersLaskoLevoitLight BulbsLight TimersLiquid WrenchLocker LocksMailboxes and Mailbox AccessoriesMainstays Home ImprovementMakitaMasonry ToolsMayfairMechanics ToolsMetal CuttingMetal SheetsMideaMoen Home ImprovementMoldingMouldingsNext-day Delivery CoolingOutdoor DrainageOutletsPadlocksPaint ColorsPaint PrimersPaint Supplies & ToolsPeerless FaucetPelonisPersonal PreparednessPersonal Protective EquipmentPersonal SafetyPipes, Fittings & AccessoriesPlug AdaptersPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPower TransformersPressure WashersPro ToolsProjectsProtective Metal Working GearPURRailingRCAReady AmericaRefurbished ToolsRegisters and GrillsRoofingRubberRubbermaidSafes & LockboxesSafety DetectorsSandbags & Flood GuardsSealants, Fillers and AdhesivesShop Plumbing BrandsShop Plumbing by FixtureShop VacSolar AccessoriesSolar Charge ControllerSolar PanelsSolderingSpecialty PaintSpray PaintStair PartsStanleyStep StoolsStorage ContainersStorm & Flood PrepStovesSurveillanceTestersThermostatsTile by ApplicationTile Tools & MaterialsToilets and BidetsTool Equipment & StorageTOTOTrimUtility CartsUtility FixturesUtility Sinks & FaucetsVacmasterValves & Valve RepairWall DecalsWall OrganizationWall PanelsWallpaperWallpaper by ThemeWater DispensersWater FiltersWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & TanksWater JugsWaterproofers and SealersWD-40Weatherproof CoversWeatherstrippingWeldersWelding & Cutting AccessoriesWelding ConsumablesWildfire PrepWind TurbinesWindow Screens and FilmsWindow WeatherproofingWinter PrepWood Stains, Coatings & FinishesWoodworking ToolsWorxZeroWater

The Filter

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Aerostar 19.875x21.5x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack From $49.96

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Aerostar 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $25.16 $6.29/count

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12x12x1 AC and Furnace Air Filter by Aerostar, Model: 12X12X1 M11 - MERV 11, Box of 6 $28.99 $4.83/count

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Best seller AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter From $7.48

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Aerostar 12x12x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $29.99

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Aerostar 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $32.00 $5.33/count

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Filtrete 20x25x4 Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter $33.88

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Filtrete 16x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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Filtrete 12x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

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4.6 out of 5 Stars. 454 reviews

Aerostar 16.5x21.5x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $41.99

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4.3 out of 5 Stars. 25 reviews

Aerostar 18x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $29.66 $7.42/count

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Filtrete 18x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47

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Filtrete 14x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.5 out of 5 Stars. 656 reviews

Filtrete 24x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.1 out of 5 Stars. 285 reviews

Filtrete 18x24x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

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4.7 out of 5 Stars. 569 reviews

Filtrete 20x24x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.6 out of 5 Stars. 3033 reviews

Filtrete 14x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.3 out of 5 Stars. 479 reviews

Filtrete 18x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64

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current price $5.64

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4.5 out of 5 Stars. 210 reviews

Aerostar 20x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $29.28 $7.32/count

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Aerostar 16x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $32.95 $8.24/count

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Filtrete 14x24x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.5 out of 5 Stars. 527 reviews

Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.5 out of 5 Stars. 2078 reviews

Filtrete 24x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47

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Filtrete 18x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.2 out of 5 Stars. 410 reviews

Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.6 out of 5 Stars. 3033 reviews

Filtrete 16x30x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 Filter From $18.47

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4.7 out of 5 Stars. 578 reviews

Filtrete 14x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.6 out of 5 Stars. 810 reviews

Filtrete 18x18x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64

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4.5 out of 5 Stars. 343 reviews

Filtrete 14x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

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Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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4.6 out of 5 Stars. 2112 reviews

Filtrete 12x12x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

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4.6 out of 5 Stars. 414 reviews

Filtrete 12x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64

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4.5 out of 5 Stars. 107 reviews

Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter $30.99

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4.5 out of 5 Stars. 594 reviews

Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $13.44

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Filtrete 25x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64

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4.3 out of 5 Stars. 158 reviews

Filtrete 18x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64

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4.1 out of 5 Stars. 91 reviews

Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter

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4.6 out of 5 Stars. 3440 reviews

Filtrete 20x22x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64

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4.3 out of 5 Stars. 133 reviews

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