Chapin International G390 Lawn Hose End Sprayer for Fertilizer, 20-Gallon 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 construction