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Wastewater Supply

Polylok - 4" D-Box Seal & Nut - 3001-SN

Polylok - 4" D-Box Seal & Nut - 3001-SN

Regular price $4.06 USD
Regular price Sale price $4.06 USD
Sale Sold out
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Polylok's D-Box seals are the only true watertight seals on the market today. Their 4" seal fits in both of their 12" and 20" plastic D-Box. It accepts 2", 3", 4", and corrugated pipe. No other seals can do so much!


  • It provides a watertight connection
  • No more different fittings to inventory
  • Easy to install
  • Easy tear-outs to accommodate different size pipe


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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.