| | I-Chem V320-0500-RWD 500ml SS 矮透明瓶，密封盖，VOA已认证 I-Chem 500ml Clear short SS Jar w/closed top cap VOA certified | 5 | ￥510.00 | ￥510.00 | | ￥510.00 |  |
| | Key Instruments Flowmeter Pocket Air 8 Lpm PM8AIR | 3 | ￥399.90 | ￥399.90 | | ￥399.90 | |
| | Key Instruments Flowmeter Pocket Oxyg 2.5 Lpm PM2.5OXY | 3 | ￥399.90 | ￥399.90 | | ￥399.90 | |
