Air-Care 16x20x1 Silver Electrostatic Washable A/C Furnace Air Filter - Limited, Never Buy Another Filter!! - Made In the USA Traps 88% of airborne dust and allergens 5 Layers of Filtration with 3rd Party Certification EPA Registered Anti-microbial Material Galvanized frame with a durable and attractive finish Permanent & Washable - Just hose off and reinstall