Filtration and purification equipment for liquid filtration or purification membranes made of fluoropolymer with a filtration membrane or filter membrane not exceeding 140 μm and equipped with gas filtration or purification machines and equipment having s 用氟聚合物制造的厚度不超过140微米的过滤膜或净化膜的液体过滤或净化机器及装置的零件;装备不锈钢外壳、入口管和出口管内径不超过1.3厘米的气体过滤或净化机器及装置的零件,