Honeywell F300E1001 is an advanced whole-house electronic air cleaner that removes up to 99% of airborne particles, including dust, smoke, mold spores, and pet dander. Using three-stage filtration and an electrostatic postfilter, it provides superior air purification for your entire home. It's compatible with all gas, oil, and electric forced air furnaces and air conditioning systems, and requires only periodic washing of the air cleaner cells for maintenance.