NaturalAire SM1006 Air Filter, 20 in L, 30 in W, 4 MERV, Synthetic Roll Frame

Description

The Smilie cut-to-fit filter is a replacement air filter that can be sized for different heating, cooling systems with shears or a utility knife. It is washable and reusable, giving you an efficient service life for up to one year.Low airflow resistance means lower energy costExcellent for systems requiring high velocity filtersCan be easily cut to sizeLasts up to one full yearWashable, reusable and biodegradable