100EM4 - Flexicore Drain Cleaning Cable with EL Basin Plug Head - 5/8" x 100'General Pipe Cleaners 100EM4 Flexicore Drain Cleaning Cable with EL Basin Plug Head 5 8" x 100' At the heart of General Pipe Cleaners drain cleaning machines is their patented Flexicore cable. These remarkably effective and durable drain cleaning cables save you money because they last longer. Flexicore cables are the strongest, most durable drain cleaning cables in the industry. Professionals who have used it know that its patented design, strength,