Abstract: A pollution control system including a filtering unit for removing contaminants present in air streams or other gas streams including mercury, ultra-fine particulates, siloxanes, heavy metals, ultra-fine aerosols and mists (e.g., oil mists), condensed hydrocarbons, volatile organic compounds (VOCs), odors, radioactive emissions, gas-phase contaminants and microorganisms which includes a fixed filter section or belt style movable filter which can be automatically replaced with a new filter section.