A gravity-flow mound system using Eljen sand filder modules brings effective treatment in an almost-impossible system replacement design scenario.
Dale Schlieve, P.E. from C.E.C. in Rhinelander, Wisconsin designed a gravity-flow mound for a lakefront homeowner in Eagle River, Wisconsin. The system used 10 B43 modules, and is demand dosed.
Read the article from June 2018 Onsite Installer