The Hypro 4101N-AE2H is a 4-roller, Ni-Resist roller pump and 12 Volt DC motor combination. It is designed for higher pressures, the hypro 4101N-AE2H is also lightweight and compact. Most commonly used for industrial spraying and fluid transfer, and also for agricultural spraying in orchards and vineyards. Note: Not suitable for use with powdered chemicals.