Nalgene 342020-1000 无菌，PETG 方形有刻度培养基瓶，带盖，聚对苯二酸乙二醇酯共聚物，天然高密度聚乙烯盖，1000毫升容量，每箱24 1000 mL Media Bottle STERILE Graduated Diagnostics/Packaging 12 24 2900