Profile: Automated Furnace Filters specializes in providing pleated air filters and furnace filters. Disposable air filters come in several different styles, and the more common throwaway filters. These filters are fiberglass weave filters that are designed to protect the air conditioner and/or heating equipment. Disposable filters are 1 inch thick and provide adequate filtration. Media filters are commonly known as clean air filters. They are designed to remove air contaminants down to 0.3 microns.