特性：
最新型20組記憶數位控制面板加裝馬達過載警示、 換油警示，最大真空幫浦馬力21m3/h(1馬力)。
最新型氣壓舉蓋系統。
立體透明強化壓克力真空蓋。

Vacuum Packaging
Model : DLC-420
Characteristic :
It has built-in 20 programmable memories module with display, and warning system for motor over-ride and oil change.
Max horsepower of Vacuum Pump is 21m3/h
Lid air-pressure system
Crystalloid reinforced Arcylic cap.