Models View all ROTO - RoDrink, water tanks 6 13 0 ROTO - RoSeptic, 3-chamber septic tank 3 14 0 ROTO - RoSeptic 2-chamber septic tank 3 16 0 ROTO - RoPump DN800 7 25 0 ROTO - RoPump DN600 6 19 0 ROTO - EcoBlue waste water treatment plant 2 10 0