|  | Spectra/Por  6膜截留分子量,25,000;平坦的宽度,28mm的直径,17.8毫米,132552 | 34 | ¥3400.00 | ¥3400.00 |      | ¥3400.00 |  | 
   |  | Spectra/Por 131093生物透析管,0.5-1.0 kDalton,24毫米,33ft/roll | 41 | ¥4120.00 | ¥4120.00 |      | ¥4120.00 |  | 
   |  | Spectra/Por  6膜截留分子量,50,000元;平坦的宽度,28mm的直径,17.8毫米透析管,132542 | 34 | ¥3400.00 | ¥3400.00 |      | ¥3400.00 |  |