Hudson Diaphragm Pump Backpack Sprayer — 4-Gallon Capacity, 70 PSI

This 70 PSI Hudson SP1Multi-Purpose Diaphragm Pump Bak-Pak® Sprayer has a professional sealed diaphragm pump and is equipped with Viton® seals for durability. Its translucent 4-gallon tank makes it easy to monitor liquid levels. The 20in. brass wand has an adjustable brass cone-pattern nozzle and includes three plastic flat fan nozzles.