Seals for 12" & 20" D-Boxes

Our D-Box seals are the only true watertight seals on the market today. Our 4'' seal fits in both our 12'' and 20'' plastic D-Box. It accepts 2'', 3'', 4'' and corrugated pipe. Our 6'' seal works in our 20'' plastic D-Box. No other seals can do so much!

Grommets

When a friction fit is important, you can count on the Polylok Grommet. Our grommets are available in a variety of sizes and are used to ensure a watertight seal. Polylok Grommets instantly provide a water and vapor seal on either curved or flat surfaces!

Goes Well With

12" Distribution Boxes

The Polylok Distribution Box is the most versatile box on the market today. You can choose what height of distribution boxes you want your inlets and outlet slotted filters to be. It also comes compete with the only seal on the market of distribution boxes that accepts 2”, 3”, 4” and corrugated pipe. No more different fittings in distribution boxes to inventory! It also comes with stabilizing feet to anchor the box.

20" Distribution and Valve Box (8 Hole,7 Hole, 6 Hole)

We have the solution to all of your drainage needs with our 20” Drain, Valve, & Meter Box! This box is great for large applications such as golf courses but is also a suitable size for the home. There’s no need to worry about different colored fittings or plugs to inventory because as well as accepting 2”, 3” & 4” pipe, our equal flow distribution boxes can also accept 6” pipe. Our 20” Drain Box will also accept our 20” Risers so you can easily bring the Drain Box to grade. It is the most versatile Drain Box available on the market today!

Square Catch Basins

Offered in two sizes, Polylok manufactures the most versatile Catch Basin on the market. The basin comes complete with either a black or green grate, and two seals that accept 2", 3", 4", and corrugated pipe. You can choose your inlet and outlet heights, and it can accept one inlet and up to three outlets.