Pipeline cleaning brushes are available for steel mandrel and urethane pigs. There are four different style brushes including flat wire ring, HZ assembly, pit cleaning®, and wrap brushes. These pipeline pigging brushes are used for heavier cleaning where rust, wax, black powder, mill scale, and debris exist in a pipe. All of Inline’s cleaning brushes are available in a wide variety of sizes. They can be made out of carbon steel, stainless steel, plastic, and flat wire or round wire material.