VENT HEPA air cleaners for the Industrial use are designed to remove air odor, pollen, tobacco smoke, dust, vapors and many other irritants and allergens using the same industrial grade HEPA and sorbent media filters to protect workers from dangerous lead solder fumes and carcinogens. The VENT air cleaner for industrial uses an independent HEPA air filter and sorbent media filtercontaining both potassium permanganate and virgin coconut shell for maximum efficiency over a wide range of gases. With an independent HEPA filter containing 82 sq. ft of media, and the optional sorbent canister containing 15 lbs. of sorbent media, the VENT air purifier is designed to provide long filter life and maximize cost efficiency. For all our residential air cleaners we also carry replacement parts.