功能

• A protective cover is attached to the peephole window (site glass) attached to the helule.
• [NM] Sliding cover is installed on the base of the peephole window.
• You can check the condition inside the container by attaching it to the helule of the container.
• Prevents the window from breaking when an external impact is applied. It also prevents dust from sticking.
• Prevents the window from flying when it is broken due to pressure from inside the container.