| | ITW-Chemtronics Wipe Opticprep LENS-GRADE PK50 CP410 | 5 | ￥539.90 | ￥539.90 | | ￥539.90 |  |
| | Whatman ReZist50针头式滤器10463609 REZIST 50/0.2 PTFE 50/PK，直径：50mm，孔径：0.2um，未灭菌 | 30 | ￥3029.00 | ￥3029.00 | | ￥3029.00 | |
| | Whatman MP21 MicroPlus10407114 MP21 STL 0.45uM 50MM 400/PK，尺寸：50MM 孔径0.45um | 30 | ￥3029.00 | ￥3029.00 | | ￥3029.00 | |
