| | WhatmanGrade1定性滤纸1001-813GR 1 2.6x3.1CM 1000/PK | 4 | ￥446.00 | ￥446.00 | | ￥446.00 |  |
| | WhatmanGrade2定性滤纸1002-270 GR 2 27.0CM 100/PK | 4 | ￥474.00 | ￥474.00 | | ￥474.00 | |
| | KNF Neuberger Pump Liquid Dosing Diaphragm FEM1.10FT18S | 251 | ￥25173.60 | ￥25173.60 | | ￥25173.60 | |
| | WhatmanGrade1定性滤纸1001-929 GR 1 60X60CM 100/PK | 8 | ￥835.00 | ￥835.00 | | ￥835.00 | |
| | 美国SKC 223-2000 PowerFlex充电系统，适用于Airchek 2000及PCXR系列，带各种规格转接头，需配充电线 | 10 | ￥1090.00 | ￥1090.00 | | ￥1090.00 | |
| | WhatmanGrade1定性滤纸1001-918 GR 1 46X57CM 500/PK | 50 | ￥5017.00 | ￥5017.00 | | ￥5017.00 | |
