The White Knight Microbial Inoculator Generator from Knight Treatment Systems offers an enhanced form of aerobic treatment technology that introduces, cultivates and releases selected microorganisms. It is designed to be simple to install in most septic tanks. It can be used to retrofit outdated ATUs and package treatment plants, and enhance the performance of community and high-strength wastewater treatment systems in addition to septage processing facilities. 800/560-2454; www.knighttreatment.com.