Frequently used 4.80/4.00-8 inner tube compatible with home, garden, and utility applications. Suitable for use with lawnmowers, hand trucks, wheelbarrows, garden carts, snow throwers, flatbed carts, trailers, dollies, and more. Made from high-quality rubber for improved air tightness and aging resistance. The 4.80/4.00-8 tube is durable and reliable. This straight valve inner tube has 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 experiencing a flatsimply replace the tube and resume use. To ensure proper sealing during installation, submerge the tube in water; if bubbles appear, the tube may be damaged. Dimensions: 4.80/4.00-8 inches Function: Manual pump Maximum inflation: 30 PSI Color: Black Material: Rubber Package Contents: 2 x Inner Tubes (tires not included). Only the listed items are included; other products are not part of this package. Note: Lighting and screen settings may cause slight color variations between the product and the image. Allowable measurement deviation is +/- 1-3 cm. Our after-sales team consists of experienced and professional staff dedicated to assisting with any issues to ensure customer satisfaction. Choosing this product provides reliability and peace of mind.