與冷阱配套使用。可有效防止反應體系中的化學物質（溶劑）吸入真空泵中。賽岐自產(chǎn)杜瓦瓶，引入美國良好工藝及高真空設備制成，夾層真空度超過10-5mmHg，并保證此產(chǎn)品的保溫性。
Greenland液氮杯

貨號          總容量（ml）      外部深度x內徑（mm）    內部深度x內徑（mm） 單價

F110350     350                       157x86               125x70                   479  

F110665      665                        241x100           195x70                   690

F111000      1000                       337x100            302x70                  889

F111900      1900                      252x160      190x120                    1188

F111900L      3500                     337x160      302x120                   1667

 F114300    4300                        365x178         305x143                2189

貨號                 可容納反應球瓶體積（ml）        深度x內徑（mm）   單價

F240100        100                                                    65x80                        885

F240250       250                                                   75x100                      978

F240500        500                                                    85x123                   1086

F241000      1000                                               100x143                   1398