Kirkland Signature 2200, High Performance Furnace Filters, 14″ x 20″ x 1″4-PackCondition:* New Surplus Stock, In Sealed OEM Packaging. As Pictured.Additional Notes:* Quanity; 4-Pack* Electrostatically Charged Fibers Attract And Capture Microscopic Airborne Particles* 90 Day Air Flow Performance* Dual Airflow Technology. Filter Can Be Inserted In Either Direction.* Dimensions (LxWxD): 14″ x 20″ x 1″* MERV Rating: 13* Average Particle Size Efficiency: 0.30-1.0 – 50.7% 1.0-3.0 – 86.2% 3.0-10 – 97.4$Kirkland Signature1649235