Kusefa maitiro:
1. Sewage inofanira kucheneswa inopinda musefa unit kubva mugomba remvura;
2. Mvura inoyerera ichibva kunze kweboka redhisiki resefa kusvika mukati meboka redhisiki resefa;
3. Kana mvura ichiyerera nemugero wakaumbwa nembabvu dzakaita mhete, zvimedu zvakakura kudarika kureba kwembabvu zvinopindirwa uye zvinochengetwa munzvimbo inoumbwa nembabvu dzakakombama uye mukaha pakati peboka resefa disc negoko;
4. Mushure mokusefa, mvura yakachena inopinda mudhindi-shaped filter disc uye inotungamirirwa kunze kuburikidza nekubuda.