Learn more about the DOT approved PRO-RING exclusively for Washington State.

The PRO-RING 24×20 was custom designed for Washington State catch basin sizes, is DOT approved and proven to last.

Start 2024 with knowledge on how to solve inflow and infiltration challenges in your area for good. During this webinar, we will share insights on:

  • How Cretex Specialty Products has been solving I&I challenges for over 35 years
  • The known, and sometime unknown challenges that occur in the manhole chimney
  • How the PRO-RING 24×20 can solve the unique I&I challenges of the Washington State area


Request a personal webinar below or request a Lunch & Learn session with a member of our team.

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