Manholes, Rehabilitation Manholes, Wetwells: CSI Fiberglass Manholes and Wetwells are all backed by an exclusive 20-year Structural and Corrosion Warranty
CSI Products:
- Were developed over 30 years ago.
- Thousands have been installed
- In different types of soil and
- In a variety of sewer conditions.
- They resist the effects of hydrogen sulfide corrosion.
- Minimize the amount of inflow/infiltration to the treatment system.
- Are economical.
- Are proven effective.
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| Fiberglass Manholes |
Fiberglass Wetwells |
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| Manhole with Concrete Base |
 Rehab Manhole Installation Video
CSI products answer your wastewater system needs.
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