This Honeywell air purifier is designed for ceiling mounting and has a capacity to circulate 325 cubic feet per minute (cfm). It utilizes a Carbon Potassium Permanganate Zeolite (CPZ) filter, known for its ability to effectively remove a wide range of pollutants including volatile organic compounds, gases, and odors. The unit boasts an efficiency rating of 95% DOP (Dioctyl Phthalate), indicating its high effectiveness in filtering out particles of 0.3 microns in size.