Roundup PRO 190410 2-Gallon Sprayer for Applying Fertilizers, Weed Killers, and Herbicides Shut-off includes a 'lock-on' feature to reduce hand fatigue; a nickel-plated brass poppet for strength and precision; and an easy-to-clean, in-line filter to reduce clogging Commercial grade stainless steel wand with Viton seals throughout pump and shut-off for long-term resistance to chemicals The highly efficient pump requires 25% fewer strokes - saving you time and energy. Pull-button pressure release valve safely releases pressure before opening the tank 5 nozzles included for ultimate versatility: brass adjustable, poly adjustable, 2 flat fans, and foaming nozzle