这个机器为需要*性密封保存的Whirl-Pak® 无菌袋的密封提供了非常有效且快捷的方法，适用于任何塑料薄膜的袋子，提供真空密封，且有额外的封条。zui大的封条为20cm；电压110V，功率260W

For a permanent seal on the Whirl-Pak® Retain Bag, this tabletop thermal impulse sealer provides a quick, efficient means for sealing any type of thermoplastic film. Provides air and watertight seals, and adds an additional seal to the Whirl-Pak® closing tab. Can be used for sealing other types of bags besides the Retain Bag. Maximum seal size is 8" （20 cm）. 110V, 260 watts.