| WL500 | 尼龙膜(带正电荷)(15×20cm 0.45um) | 1张 | 180 | Amersham |
| WB501 | 硝酸纤维素膜(30×30cm 0.45um) | 1张 | 320 | Pall-Gelman |
| WL501 | 硝酸纤维素膜(15×20cm 0.45um) | 1张 | 120 | Amersham |
| WB502 | PVDF膜(15×60cm 0.45um) | 1张 | 350 | Pall-Gelman |
| WL502 | PVDF膜(15×13.5cm 0.45um) | 1张 | 110 | Millipore |
| WB503 | PVDF膜(26.5×37.5cm 0.2um) | 1张 | 450 | Millipore |
| WB504 | Whatman 3MM 滤纸（20cm×20cm） | 100张/盒 | 800 | Whatman |
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