“단독정화조 환기구 방충망”이라 함은 단독정화조 환기구에 설치하여 모기등 해충의 출입 및 발생을 억제하는 기구를 말한다.
The term "screen of ventilation hole in the sole septic tank" means an appliance which is installed in the ventilating hole of a septic tank and restrains the entry and occurrence of pests such as mosquitoes.