secondary cleaner meaning in English

第二清洁室
清滤器

Natural biological extracts , free of chemical cleaning ingredients ; intended for direct eye contact , harmless to human and objects ; bactericidal ; forming a protective film after cleaning , making convenience for secondary cleaning , clean and protective ; waterless cleaning , clean and simple ; avoiding harms and corrosions of chemical cleaning
天然新鲜植物与生物提取液，没有化学清洗成份；可以直接接触眼睛，不伤人不伤物；除菌杀菌；清洁后形成防护膜，方便二次清洁，既清洁更防护；无水清洁，干净方便；避免化学清洗的危害和腐蚀。