Models View all ROTO - RoDrink, water tanks 5 10 0 ROTO - RoSeptic, 3-chamber septic tank 3 10 0 ROTO - RoSeptic 2-chamber septic tank 3 10 0 ROTO - RoPump DN800 5 19 0 ROTO - RoPump DN600 5 14 0 ROTO - EcoBlue waste water treatment plant 2 9 0