Fits onto any hose end. Delivers up to 20 gallons of finished spray. Works with all water soluble fertilizers and weed killers. Removable fan-spray nozzle for quick coverage of large areas or a continuous stream for more direct application. Fingertip on/off control. Built-in anti-siphon feature prevents backflow. Durable, chemical-resistant and rustproof polyethylene contsruction.