Polylok 20" x 6" Septic Tank Riser

$59.14 CAD

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Only 4 left!

Polylok has combined all the best features of concrete and plastic risers to create the patented riser system. The risers hold their shape, are stackable, screw together, and are water and airtight. Structural ribs inside prevent frost from adhering to the riser in frost prone areas.

Polylok part number: 3009-NG (20" x 6" Risers) (Replaces retired part number 3009)


  • Air and water tightness
  • Allows easy testing of the septic tank by suction or water
  • Highest UV protection
  • Easy septic access to bring to ground level
  • High Density Polyethylene
  • Tear off riser ring to eliminate frost problems
  • Factory-installed seal
  • Works with any Polylok 24" riser cover or grate


  • Size : 20’’
  • Color : Green
  • Material : HDPE
  • Shape : Round

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