These one piece manhole and flume structures are very handy for installing in existing lines since the pipe stubs allow for quick installation.
They also offer a completely sealed manhole without joint sections.
Available with concentric tops for installation in traffic areas or full open hatches for easy access in non traffic locations.
Confirming Physical Properties in Accordance With ASTM D 3753 Standard Specification for Glass Fiber-Reinforced Polyester Manholes
Metering manhole for wastewater line.