Specification Brand : LotFancy BulletPoint1 : 【Easy Installation & Maintenance】 ✔️ Fits 20x20x1 slots (actual size: 19 3/4"x19 3/4"x3/4"). Align airflow arrows & slide into central units/return grilles. Replace every 90 days (30-60 days in peak seasons) BulletPoint2 : 【Premium Filtration】 ✔️ MERV 13 (MPR 1500 & FPR 10) – Traps 98% of 0.3-1 micron particles (dust,lint,dirt,spores, pollen, pet dander, fine dust, and smoke,auto exhaust) for allergies homes 48-hour air improvement. Electrostatic pleats capture more without restricting airflow BulletPoint3 : 【Value Pack Savings】 ✔️ 6-pack saves 15%+ vs. 4-pack! Ideal for homes, offices, schools, hospitals. Keep HVAC running smoothly & extend its lifespan with consistent, clean air BulletPoint4 : 【Durable & Efficient Design】 ✔️ 31 pleats with dual wire backing & sturdy cardboard frame for longer filter life. Resists heat/humidity, ensuring stable airflow efficiency in HVAC systems (furnaces, ACs, heat pumps) BulletPoint5 : 【 High-Performance】 ✔️ Made of 100% synthetic electrostatic media for low airflow resistance. Features recyclable materials/recycled cardboard – better air, smaller footprint CompatibleDevices : Furnace ExternallyAssignedProductIdentifier : 6958104878183 ExternallyAssignedProductIdentifier1 : 0886566191396 ExternallyAssignedProductIdentifier2 : 886566191396 GpsrSafetyAttestation : 1 ItemName : LotFancy 20x20x1 Air Filter MERV 13 Pet Smoke Smog Allergens Defense (4-Pack) Pleated HVAC Furnace Air Filters, Replacement for Home AC & Heating Systems, Actual Size: 19.75" x 19.75" x 0.75" ItemPackageDimensions_Height : 51.1048 centimeters ItemPackageDimensions_Length : 8.89 centimeters ItemPackageDimensions_Width : 50.4952 centimeters ItemTypeKeyword : replacement-household-furnace-filters Manufacturer : LotFancy Material : Paper Material1 : Paper Material2 : Cotton MinimumEfficiencyReportingValue : 13 ModelName : Air Filter ModelNumber : 13X-5160-L NumberOfItems : 4 PackageLevel : unit PartNumber : 5160 Pattern : MERV 13 ProductDescription : Commonly used for commercial and residential buildings that require superb air filtration such as general surgery facilities, inpatient care hospitals, etc. A MERV 13 is a great choice if a healthy home is a top priority for you and also a good call if you have respiratory issues like asthma. Homes with the elderly or newborn members should look into a MERV 13 as well. MERV 13 filters can be a great choice for commercial buildings or medical facilities that require next-level air purity. MERV 13 filters trap particles sized 0.3 to 1 micron. MERV 13 filters are effective at trapping 98% of airborne particles found in an average home. It is recommended that you change a MERV 13 filter every 1-2 months, especially when the furnace or air handler is running a lot. MERV 13 filters specialize in trapping tiny particles like airborne bacteria and smoke. In addition to everything that MERV 8 and MERV 11 filters trap, MERV 13 filters also trap tobacco smoke, smoke from fires, pollutants in bodily fluids released through sneezing and coughing, and bacteria. MERV 13 filters are most commonly used in pharmacies, surgical facilities, and smoking lounges. ProductGrade : new ProductSiteLaunchDate : 2022-10-28T07:50:52.536Z Size : 4 Style : MERV 13 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4 UnspscCode : 40161505 WebsiteShippingWeight : 1.039 kilograms