Our specialized filtration media has the most effective combination of particle capture rate, with minimum pressure drop, ensuring the best overall performance of your HVAC system and particle capture rate to clean the air. Electrostatically charged media for enhanced particle capture effectiveness. This media has special emphasis on particulate size that captures most airborne allergens and it makes it one of the most advanced furnace filters (air filters) on the market today.. Air Filter Features: Electrostatic,Pleated. Contaminants Captured: Bacteria,Dust Mites,Dust/Lint,Mold Spores,Most Smoke,Pet Dander,Pollen,Virus Carriers. Filter Frame Material: Cardboard. Filter Material: Electrostatically. Filter Performance Rating (FPR): 10 - Premium. Longevity (months): 12. MERV Rating (Minimum Efficiency Reporting Value): MERV 13. Pack Size: 1. Returnable: 90-Day. Actual Product Depth (in.): 4.375. Actual Product Height (in.): 24.75. Actual Product Width (in.): 23.75. Air Filter Depth (in.): 4. Air Filter Height (in.): 24 3/4. Air Filter Size: 20x25. Air Filter Width (in.): 23 3/4. Air Filter Depth (in.): 4. Pack Size: 1. Features: Pleated. Filter Performance Rating (FPR): 10 - Premium. Features: Electrostatic. Contaminants Captured: Dust/Lint. Contaminants Captured: Pollen. Contaminants Captured: Bacteria