Chapin Select 'n Spray 32 Ounce Hose End Sprayer fits any standard hose end and features four spray patterns with easy on/off thumb control. Its built-in anti-siphon prevents backflow, and the large-capacity bottle holds up to one pound of material while automatically mixing liquid and water-soluble fertilizers without premixing. Made from rustproof polymer, it is durable and chemical-resistant, and twelve specially selected mixture settings accommodate most popular garden treatments for convenient and precise application.