Scotty Smooth Bore Nozzle will direct a solid stream of water to its maximum reach with the pressure available. The nozzle barrels are made from Ny-Glass for resilience and durability, making them foam compatible and 100% corrosion-proof. The 4032-50 will flow 50 gpm (190 l/m) and has a 0.550” opening. The 4032-100 will flow 100 gpm (380 l/m) and has a 0.775” opening.