The heavy duty trigger spray nozzle is designed with 3 different modes, which can be adjusted by turning the knob. The three modes are spray mode, water column mode and off mode, which can meet your needs for different purpose. There is a leak-proof gasket inside the black spray head of the trigger sprayer nozzle to prevent the leakage of liquid. In addition, the off mode can prevent the liquid from dripping, which helps avoid unnecessary waste. Our heavy duty replacement nozzle is well made of thickened PP plastic, which is sturdy and heavy duty then normal plastic. The mist spray & stream spayer replacement is of good quality for you to use for a long time. The trigger sprayer nozzle has many usages. You can apply it to spray water for your plant, homemade air freshener or linen liquids in the house, hairspray in barber shop, toner in beauty center, etc.