PACK OF 2 (two) Firestone Brand Passenger Tire Inner Tube with Tr13 Rubber Valve fits 14" 15" MR14 MR15 9.5L15/9.5L14/7.5L14/MR1415 Perfect for fixing flats without replacing the tire. TR13 valve stem; Fits both Passenger and Implement applications Set of 2 (two) inner tubes