Lawn sprayer fits onto any standard size hose and works with all water soluble fertilizers and weed killers. Automatically mixes liquid concentrates with water. Features: built-in anti-siphon to prevent backflow, fingertip on/off control, and chemical-resistant, rustproof translucent polyethylene construction. Can spray up to 20 Gal. of mixed spray without refilling. Removable fan tip. 2.5 In. tank mouth opening.