The Honeywell F100F2028 Media Air Cleaner is the correct system that uses the following:
The Honeywell F100F2028 16x20 Media Air Cleaner uses a high efficiency filter that captures airborne particles in the air circulated through the unit, as small as 0.3 microns. This system mounts in the return air duct in any position. The rugged zinc-coated, roll-formed cabinet resists corrosion and can support weight of residential furnace and evaporator coil.
Honeywell F100F2028 16x20 Cleaner Specifications:
The Honeywell F100F2028 Media Air Cleaner uses a 4-inch extended media, and replacement is quick and easy. This media air cleaner is applicable to all gas, oil and electric forced air furnaces, and to compressor cooling up to 5 tons.