The Honeywell F100F2036 Air Purifier is the correct system that uses the following:
The Honeywell F100F2036 20x20 Whole Home Air Purifier is applicable to all gas, oil and electric forced air furnaces and to compressor cooling up to 5 tons. The high efficiency filter that captures airborne particles in the air circulated through the unit, as small as 0.3 microns. This system requires no electrical connections and mounts in the return air duct in any position.
Honeywell F100F2036 Whole Home Air Purifier Specifications:
The Honeywell F100F2036 20x20 Whole Home Air Purifier uses a 4-inch extended media that makes replacement quick and easy. It has a rugged zinc-coated, roll-formed cabinet resists corrosion and can support weight of residential furnace and evaporator coil.