The simple type water stop board "Flood Guard F" has been certified as a recommended disaster prevention product.
Fuji Steel Industry CO.,LTD
The "Flood Guard F" has been certified by the General Incorporated Association for Disaster Prevention and Safety as a product that can be beneficially utilized in the field of disaster prevention, contributing to safety, functionality, and convenience.

Related Links
This links to the homepage of the Japan Disaster Prevention and Safety Association.
You can check the details of "Flood Guard F" here.