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Wastewater Supply

Polylok - 12"x3" Riser - 3017-R3

Polylok - 12"x3" Riser - 3017-R3

Regular price $38.78 USD
Regular price Sale price $38.78 USD
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Polylok's 12"x3" risers are a great solution for systems needing only a few inches to come to grade.


  • Allows septic tank to be easily vacuum or water tested
  • Highest UV protection on the market today
  • Easy to bring septic access to grade
  • Made of High Density Polyethylene
  • Tear off riser ring if frost is a problem
  • Structural ribs inside prevent frost from adhering to the riser in frost prone areas
  • Makes riser stack stronger
  • Accepts any Polylok 12" riser cover or grate
  • Can be used on Polylok 12" Catch Basins and D-Boxes



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At Wastewater Supply, we are committed to providing our customers with the best possible experience and the highest-quality products at competitive prices.