Grille Roller Shutter Door-Advance Group
The Advance Grille Roller Shutter Door provides secure access to public areas, yet willautomatically open fully upon detection of an alarm or power failure. This preventsentrapment in the event of an emergency and allows immediate access to emergencypersonnel. The Grille Roller Shutter Door is ideal for schools, hospitals, and office buildings,or other applications that require different levels of access at various times.
Standard Color (can customized)
Different Pattern of Grilles
The Difference of Motorize and Manual Control System 
Package
