Nalgene 6378-0004 安全废液漏斗，高密度聚乙烯漏斗和盖，聚丙烯盖和漏斗适配器，PTFE通气滤膜，NALGENE盖尺寸38-430 SAFETY WASTE FUNNEL 38MM Labware and Bottles 1 4 3888