Frequently used 4.80/4.00-8 inner tube compatible with home, garden, and utility applications. Can be used with lawnmowers, hand trucks, wheelbarrows, garden carts, snow throwers, flatbed carts, trailers, dollies, and more. Made of high-quality rubber for better air tightness and aging resistance. The 4.80/4.00-8 tube is durable and long-lasting. The 4.80/4.00-8 inner tube features a straight valve with a maximum inflation pressure of 30 PSI. Inflate only with a manual pump to avoid overinflation. Not suitable for road or highway use. Easy to install heavy-duty inner tubes. No need to replace the entire tire when you have a flatsimply replace the tube and continue use. For proper installation, ensure the tube is fully sealed by submerging it in water; if bubbles appear, the tube may be damaged. Dimensions: 4.80/4.00-8 inches Valve Type: Straight valve Maximum Inflation: 30 PSI Color: Black Material: Rubber Package Contents: 2 x Inner Tubes (tires not included) Note: Lighting and screen settings may cause slight color variations between the image and the actual item. Allowable measurement error is +/- 1-3 cm. Our after-sales team includes experienced and professional staff committed to helping resolve any issues. Purchasing our product provides peace of mind and reliable performance.