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Overview
General description Replacement 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 specifications Size: 3.00-4 Material: Heavy duty rubber Installation Before installation, check if the air chambers are completely sealed by dipping them in water. If bubbles appear, the chambers are damaged. Usage Replace the inner tube instead of buying a new tire when punctured to quickly restore functionality.