The Chapin All Purpose Professional sprayer fits onto any hose end and offers 16 mixing ratios, durable brass mixing head and sprays up to 100 gallons. A built-in anti-siphon feature prevents backflow. 3 simple steps: Fill, Set, Spray! It automatically mixes liquid concentrate with water. Includes a fan tip which disperses mixed material in a fan pattern for ease of application. Poly tank holds 16 ounces of liquid concentrate. Made in the USA, solid construction will last for years! Save money, less waste when you spray with concentrates.