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  9. Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid

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Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid

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Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid

Item # 603613799

Norwesco Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid
Norwesco Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid
$179.99

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Shop all Norwesco
Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid

Item # 603613799

Norwesco Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid
Norwesco Norwesco Septic Tank Manhole Extension 6 in. H x 20 in. D with 20 in. Safety Lid

$179.99
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This 6-inch-tall Norwesco manhole extension comes complete with a 20-inch safety lid for added protection and secure tank access. The built-in safety lid reduces the risk of accidental entry while still providing easy maintenance access. It's made from rugged polyethylene.

  • 6" height raises access point for convenience
  • 20" safety lid included for added security
  • Rugged polyethylene material stands up to the elements
  • Designed for a watertight, secure fit on Norwesco tanks
  • Quick, straightforward installation
BrandNorwesco
Country of OriginMade in USA
Fill Opening Diameter0 in.
Primary ColorBlack
Primary MaterialPolyethylene
Product Height8 in.
Product Length24 in.
Product Weight12 lb.
Product Width24 in.
Manufacturer Part Number64159-DS
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