Keep your treadmill in optimal running condition using LifeSpan's silicone lubricant. This 100% silicone lubricant will extend the life of your treadmill, and it's safe for your treadmill and your home. LifeSpan's belt lubricant is 100% silicone and is designed for all treadmills, regardless of brand, that use a non-petroleum based silicone lubricant. Unlike other silicone lubricants on the market, our belt lubricant is 100% silicone and contains no harmful solvents, petroleum distillates or propellants which can degrade the effectiveness of the lubricant.