The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent. | Vevor | | 20 x 25 x 4 Furnace Filter, MERV 13 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters | Black and White | Best Buy