The specific performance table parameters are subject to the test report!

Purpose and characteristics:

A frame, special door lock and hinge are added on the basis of fixing the louver vent. When using, the door bolt can be opened by hand, which is conducive to installation and cleaning with the filter screen. It can also be used as an access door. When the door is closed, the spring doors on both sides can be locked automatically as long as the valve is pushed on. It is often used in the air return decoration of guest rooms and halls.

Explain:

The size can be customized according to customers' requirements. If the size is too large, it can be processed in groups.