Heavy-Duty & Durable: Made from premium-quality, thick rubber, these inner tubes offer superior air tightness, puncture resistance, and long-lasting durability for both home and commercial use. Easy Inflation: Our heavy-duty replacement inner tube features a universal TR13 straight valve stem for easy inflation, secure sealing, and hassle-free installation on a variety of wheeled equipment. Perfect Fit & Versatile Use: Designed to fit 15x6.00-6" tires/wheels with a 15"-15.5" outer diameter and 6" width, these replacement lawn mower tire tubes are compatible with lawn mowers, yard tractors, golf carts, ATVs, go-karts, wheelbarrows, trolleys, garden wagons and more.