Features:
1. VFD Display
Compared with LED, LCD, it shall demonstrate various colors with high bright, even in the evening. It shall work no less than 30, 000 hours continually
2. Negative pressure plenum surrounds contaminated positive pressure plenum; no fabric bags are used
3. One-piece removable worksurface easy to clean
4. Frameless sash, easy to clean
5. Filter, Blower and Fluorescent lamp working time check