Hudson Diaphragm Pump Backpack Sprayer — 4-Gallon Capacity, 150 PSI

This 150 PSI Hudson SP0 Triple Function Piston/Diaphragm Pump Bak-Pak® Sprayer has jet agitation for use with wettable powders 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.