Simplicity of installation.
Relatively small sizes.
Autonomy of the system (operating without drains for several months is possible).
Relative cheapness (compared with a centralized sewage system of a country house).
Simplicity of installation.
Relatively small sizes.
Autonomy of the system (operating without drains for several months is possible).
Relative cheapness (compared with a centralized sewage system of a country house).