Ihe mejupụtara ọrụ ikuku bụ nke valves, ọkpọkọ ventilashị na diaphragm tube microporous aerators. A na-eji ihe rọba mee oghere tubular tubular microporous aerators nwere obere oghere na-emechi onwe ya na akpụkpọ ahụ. Mgbe ị na-arụ ọrụ, micropores nke tube aeration ga-emeghe ozugbo n'okpuru nrụgide ikuku, ikuku ga-abanyekwa n'ọdọ mmiri maka ikuku oxygenation, ma ọ bụrụ na nrụgide ahụ na-apụ n'anya, micropores nke aeration tube ga-emechi ozugbo iji gbochie mmiri ịbanye n'ime micropores. .