Bio-Reaction®, Duall, Flex-Kleen® and Met-Pro Systems are now “Met-Pro Environmental Air Solutions”. For decades, these businesses have provided innovative solutions and a diverse line of products and technologies for the collection of particulate and the purification of air including chemical and biological scrubbers, dust collection systems, HEPA filtration, thermal/catalytic oxidizers and other air pollution control systems. As one organization, we provide a complete single source solution to all of your air pollution control needs.