Treadmill Doctor Epic 425Mx Treadmill Running Belt Model EPTL881050 Review HelpfulOwl Treadmill Belts May 4, 2018September 2, 2018Exercise & Fitness, Exercise Machine Parts & Accessories, Sports & Fitness, Sports & Outdoors, Treadmill Doctor 0 Comment This is a replacement walking belt for the Epic 425Mx Treadmill Running Belt Model EPTL881050