Flexible Expandable Drain Pipe, Solid Black Polyethylene, 4 In. x 8 Ft. - 54021
Flexible Expandable Drain Pipe, Solid Black Polyethylene, 4 In. x 8 Ft. - 54021. Flex-Drain 4"x8' Black Expandable Solid Flex Drain. It expands from 2' to 8' and can be used in most drainage applications.