Concrete product: elevation box
Concrete product: raised manhole.
This is a type of frame that can be used in combination with drainage boxes to increase height. The available sizes are as follows: - For 150 (5 sun) - For 180 (6 sun) - For 240 (8 sun) - For 300 (1 shaku) - For 360 (1 shaku 2 sun) - For 450 (1 shaku 5 sun) We also accept orders for custom products (sizes, processing, etc.), so please feel free to consult with us.
- Company：岩瀬生コン
- Price：Other
