Flood Shutter (Half-Ken Opening Width)

Features
- This product can be easily stored even in a narrow storage space.
- No special construction is required. This product can be installed easily. It can be installed in locations where there is a wall on either the left or right side.
- A water-stop bag is included. Even if the installation surface has some unevenness, the water-stop bag expands and fills the gap, improving water-stopping performance.
- Please separately prepare a heavy item, such as a sandbag, to hold down the water-stop bag.