标准一次性瓶组件系统，聚碳酸酯，3 端口盖套件，2 L

This 2-L Thermo Scientific polycarbonate (PC) Single-Use Bottle Assembly System includes a Nalgene Square Polycarbonate Bottle. It is ready to use and also includes a 53 B ported closure with one vent filter line and two 1/4-in plugged connection lines.