Powercare Replacement Inner Tube with Leak Stopper for Wheelbarrow Tires with 8 in. Rim

This Tire Science 4.80 in. x 4 in. Wheelbarrow Inner Tube with Sealant installs just like a standard inner tube. Can help provide up to two years of protection for tires with an 8 in. rim. It finds and seals leaks and helps prevent future leaks.