U/G Chamber Riser 320mm

The riser sides are constructed from sturdy black polypropylene, ensuring durability and strength. They offer versatility, allowing for stacking or trimming to adjust the inspection chamber as required. Installation is straightforward—simply insert a seal into one end and push-fit it into place. Once connected, there's no risk of water leakage, and you can conveniently inspect the chamber without the need for stretching.