2pcs Tire Inner Tube 3.00-4, Wheelbarrow Inner Tube, Mower Tires, for Hand Truck, Trolley, Hand Cart, Garden Trolley, Lawn Mower, Replacement Tube

General descriptionReplacement inner tubes for a variety of applications including hand trucks, trolleys, garden trolleys, and lawn mowers. The 3.00-4 size tubes are designed to provide sealing, elastic damping, and superior aging resistance compared to natural rubber.Technical specificationsSize: 3.00-4Material: Heavy duty rubberInstallationBefore installation, check if the air chambers are completely sealed by dipping them in water. If bubbles appear, the chambers are damaged.UsageReplace the inner tube instead of buying a new tire when punctured to quickly restore functionality.