Nalgene 8000-0110 NALGENE 180透明塑料管，透明，柔软，多用，经济，内径 x 外径x壁厚，5/16 x 9/16 x 1/8，英寸，每箱数量50 TBG-180-PVC 5/16X9/16X1/8 50FT Labware and Bottles 50 50 974