The Perma-Liner End Seal is a seamlessly molded seal that provides a large sealing surface. Memphis, the Perma-Liner End Seal forms a highly effective seal compatible with all types of mainliners due to their cylindrical shape. Memphis, find this patented technology at our Perma-Liner US Tour stop in Louisville, Kentucky on Wednesday, August 13, 2014. Registration is FREE! For more information call Perma-Liner at 866-336-2568 or check out our website at www.perma-liner.com.