Parson Environmental Product 21-29 in. HDPE Manhole Insert

Part #P90010

| Item #4936336

$59.44 each


29 in
  • Quantity

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Product Details

  • Reduces inflow
  • Reduces treatment plant costs
  • These manhole inserts are manufactured from HDPE and will not rust or corrode
  • They have been proven effective in reducing or preventing surface water in flow to the collection system, through the manhole lid
  • Operating, utility and maintenance costs for plant equipment and pumps are minimized, due to reduced flow during heavy rainfall
  • The manhole inserts include 2-3/16" vent holes which release liquid 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
  • HDPE manhole insert 21"-29"
  • Custom manufactured dimensions required



  • ASTM Specifications
    ASTM D-1248
  • Diameter
    29 in
  • Height
    1/8 in
  • Inside Diameter
    21 in
  • Material
  • Material Type
  • Product Type
    Manhole Inserts
  • Waterworks Application