As fully integrated pre-engineered packages, Series 7000/8000 come with recirculation pump, piping networks, instrumentation, and automated controls. Freeze protection package is available for outdoor installation. Offering versatility to meet PM 10 and PM 2.5 particulate emission standards, systems are available in various materials to enable operation on corrosive or erosive gas contaminant streams. Throat design and diverging section promote collection efficiency at reduced pressure drops.