Product Details

• Reduces inflow
• Reduces treatment plant costs
• Extremely durable
• These manhole inserts are manufactured from 18 gauge, 304 stainless steel
• Operating, utility and maintenance costs for plant equipment and pumps are minimized, due to reduced flow during heavy rainfall
• The manhole inserts include 2 valves, one for venting of gas and one for release of water at a rate of not more then 5 gallons per 24 hour period
• Each insert is equipped with a heavy-duty polypropylene strap for ease of removal and installation
• Each insert includes a gasket made of closed cell neoprene and is attached with a pressure sensitive adhesive
• SS Manhole insert 21"-26-3/4"
• See specification sheet for required dimensions