Get into shape with the ProForm Fit 425 PFTL50717 Treadmill now only $478 (reg. $799) at SamsClub.com. You save 40% off the retail price for this ProForm treadmill. Plus, this item ships free. This is the lowest price we could find online by about $21. The ProForm Fit 425 Treadmill features speeds up to 10 mph, 16″x50″ tread belt, high-contrast display, SpaceSaver design, and 16 on-board workouts. Sales tax is charged in most states. Deal expires August 19, 2018.