Nalgene 8000-0160 NALGENE 180透明塑料管，透明，柔软，多用，经济，内径 x 外径x壁厚，7/16 x 5/8 x 3/32，英寸，每箱数量50 TBG-180-PVC 7/16X5/8X3/32 50FT Labware and Bottles 50 50 945