Penray 7011 Battery Protector - 11.5-Ounce Aerosol Can Hard Starting And Battery Failure Can Be Caused By Corrosion Seals Out Moisture and Prevents Oxidation Color Tinted to Indicate Area Treated For Use In Auto, Marine, Agriculture, Motorcycle, Heavy Duty, Off-Road and Industrial Applications Prolongs Battery Life by Preventing Build-Up of Corrosive Materials on Battery Terminals