The select-n-spray hose end sprayer fits onto any hose end and offers 4 different spray patterns with an easy on or off thumb control. It has a built-in anti-siphon feature to prevent backflow, large capacity bottle that holds up to one pound of material and automatically mixes liquid, water soluble fertilizers without premixing. The rustproof polymer construction makes it durable and chemical-resistant. Twelve specially selected mixture settings meet the needs of most popular garden treatments.