model 340 ultimate vacuum vacuum room size 340x90x245mm capability ¡5-35/´Ž sealing band 10x320mm voltage 220V 50HZ heating power 0.4KW motor power 0.45kw extracting speed 2.5L/s weight 18KG purpose and feature 1.working steadily 2.control simply 3.the shell
is stainless steel. 4.It¡¯s suitable for medium or small enterprise. 5.can extract air to a special shape. 6.the machine¡¯s size is smal