DeerRun® Essential Treadmill Accessories - Power Cord & Dust Cover & MatThis is the most commonly used kit for treadmills and is purchased by more than 90% of customers 10 ft 13 ft extension power cord is enough to reach any corner of your home. 29. 5 * 74. 8'' treadmill mat protects both treadmill and floors from water, scratch, reducing the risk of slips and equipment movement. 3 sizes of dust covers perfectly fit DeerRun treadmills, ensuring full coverage and protection.