About This UNIVERSAL COMPATIBILITY: Fits most standard residential and commercial HVAC systems with a 4-inch filter. Including Lennox, Carrier, Bryant, Payne & Honeywell. Actual size 19.50 x 24.50 x 3.75 Comparable to Filtrete MPR 1200 and Honeywell FPR 7 filters. HIGH-EFFICIENCY MERV 11 (MPR 1200 / FPR 7) FILTRATION: Traps up to 95% of airborne particles such as dust, pollen, mold spores, pet dander, and smoke to improve indoor air quality and reduce allergy triggers in your home or office. OPTIMIZED AIRFLOW DESIGN: Electrostatically charged synthetic media captures fine particles without restricting air flow—helping maintain HVAC efficiency and extending system life. DURABLE, PLEATED CONSTRUCTION: Sturdy beverage board frame with wire backing resists humidity and temperature changes. The pleated design offers more surface area for longer-lasting filtration and fewer replacements. Manufactured by Filtration Group: A world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive Overview Brand : Aerostar Material : Synthetic Product Dimensions : 24.5"L x 19.5"W x 3.75"Th MERV Rating : 11 Compatible Devices : Air Conditioner, Furnace Item Weight : 13.2 Pounds Global Trade Identification Number : 00192212013173 UPC : 192212013173 Air Filter Construction : Pleated Number of Items : 6