BREATHE CLEAN, FEEL COMFORTABLEImagine stepping into a home where every breath feels fresher, where dust and are kept at bay, and where your HVAC system works efficiently to maintain perfect airflow. No more worrying about what's in the air your family breathes.With these FilterLux Air Filters you're one step closer to making that reality come true. Designed to trap dust, smoke, pet dander, lint, pollen, exhaust, debris, and more – our filters keep your home's air quality at its best. That means less random sneezing, and less dust collecting on your surfaces.Plus, we've included small but powerful improvements that make a big difference. Electrostatically charged fibers actively attract and capture more tiny particles than standard versions. With a MERV 13 rating, you can count on advanced filtration that protects your home's air and helps your HVAC system run smoothly, day in and day out.SPECIFICATIONS:Electrostatic Charge: YesMERV Rating: 13Sizes: 14x14x1, 14x20x1, 14x24x1, 14x25x1, 16x20x1, 16x25x1, 16x25x4, 16x25x5, 20x20x1, 20x20x4, 20x25x1, 20x25x4, 20x25x5Particle Filtration: Dust, smoke, pet dander, pollen, lint, exhaust, debris, and moreREPLACE FILTER EVERY 3 MONTHSIt is recommended that your filters be replaced every 3 months or earlier. Construction debris, smoke, pets, and other environments may shorten the service life of the filter.INSTRUCTIONS:1. Remove the plastic wrap and remove the filter. Do not remove the cardboard frame.2. Remove the old filter. Insert the new filter into the designated opening of the air conditioning system, with the arrow pointing in the direction of the air flow.