12" Grate for Polylok Riser or D-Box

Ideal for use with our risers and drain boxes, these 12” grates are made of HDPE with the highest UV Protection on the market today. These grates will withstand normal residential and light commercial traffic.

12" Grate for Corrugated Pipe

Ideal for use with 12” Corrugated or ribbed pipe. These 12” grates are made of HDPE with the highest UV Protection on the market today. These grates will withstand normal residential and light commercial traffic.

12" Cover for Riser and D-Box

Ideal for use with 12” Risers and Distribution Boxes. Our 12” covers are made of HDPE with the highest UV Protection on the market today. These covers will withstand normal residential and light commercial traffic.

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!

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.