L&J TECHNOLOGIES / COGNESENSE
L&J Technologies is a trusted manufacturer of digester gas safety equipment for municipal and industrial wastewater treatment facilities. Aqua Solutions represents L&J’s proven line of flame arresters, pressure and vacuum relief valves, and other critical gas safety components designed to protect digester systems, maintain regulatory compliance, and ensure safe, reliable operation. Built for demanding biogas applications, L&J solutions deliver industry-leading performance and long-term reliability.