This Semi-Hydraulic Diaphragm Pump from A/R North America (AR25LFP-GR3/4-GCI) is widely used in the commercial, industrial and agricultural sprayer industries. This unit is manufactured with poly heads and manifolds for top corrosion resistance. With a flow rate up to 6.4 GPM and max pressure of 290 PSI, it is optimal for spraying machines for the protective treatment of agricultural crops and garden plants, assisting in the targeted distribution of your liquid product onto desired surfaces for consistent, even coverage every time.