Original part pulled from Nautilus T618 treadmill. Tested working.

The Nautilus T618 Treadmill AISCII AC Power Line EMI Filter TK-1-15-L is a specialized accessory designed specifically for gym and training equipment like treadmills. This filter helps to reduce electromagnetic interference, ensuring a smoother and more efficient performance for the treadmill. With a 15A rating and compatibility with both 120 and 250-volt power systems, this filter is suitable for various fitness environments. The Nautilus brand is known for quality fitness products, making this filter a reliable choice for maintaining the functionality of your treadmill during workouts.