The Hypro Roller Pump 4001XL-AEH includes a 12 Volt DC motor and is constructed of a Silver Cast body for better chemical resistance. These Hypro 4001XL-AEH pump-and-motor combinations are designed to be used in agriculture, industrial and other bulk transfer of fluid and chemicals. Most commonly used for herbicide banding, fertilizer placement, orchard and vineyard spraying, nitrogen side dressing, and cattle spraying. Also known as RoundUp Ready the Silver Cast Hypro Roller pumps can withstand hard-to-handle fluids and chemicals. Note: Not suitable for use with powdered chemicals.