@bilitated_dee @edsuom @LaSeletzky @DrEricDing P100 has higher standard for filtration (99.97% vs 99%) and "P" respirators are oil-resistant while "N" respirators are not. In practice unless dealing with oils, they're very similar.
@bilitated\u dee@edsuom@LaSeletzky@Drericing P100具有更高的过滤标准（99.97%对99%），且“P”型呼吸器耐油，而“N”型呼吸器则不耐油。实际上，除非处理油，否则它们非常相似。