Wide Compatibility for 13" Tires - These 4.10/3.50-6 inner tubes fit tires with a 13" outer diameter and 6" rim (wheel) diameter, including 3.50-6, 4.00-6, 13x4.00-6, 145/70-6, and 4.10-6 sizes. Compatible with lawn mowers, hand trucks, wheelbarrows, yard trailers, dollies, trolleys, snow blowers, pressure washers, generators, go-karts, wagons, and wood chippers.

Durable Natural Rubber Construction - Crafted from thick, premium-quality natural rubber for excellent puncture resistance, elasticity, and air retention. Built to withstand rugged use in both residential and commercial settings.

TR-87 Angled Valve Stem Design - Built with a TR-87 bent metal valve stem for easier inflation in compact spaces. Reinforced rubber base helps reduce dust intrusion and contributes to extended valve service life.

Shock Absorption & Ride Comfort - Designed with extra-thick sidewalls to absorb impact, reduce vibration, and deliver smoother rides on rough terrain. Ideal for heavy-duty hauling or frequent yard work.

Includes Tubes and Valve Caps - Comes as a set of 2 inner tubes with matching valve caps. Each unit is air pressure tested before packaging to help ensure reliable performance during installation.