The Roth MultiTank is the first tank of its kind. It can be used for water cistern, pump, holding, rainwater or septic tank.
This is possible due to its special construction of an inner layer of FDA approved virgin HDPE, two inside layers of PE for improved stability, plus one outer layer of black and UV-stabilized PE.
RMT-750 & up, have two compartments, the divider being in the center. They are also plumbed (all the parts required for the hook-up are included).