Chapin G390 Hose End Sprayer, Deflector, 2-1/2 in Tank Mouth Opening, 32 oz Cup

The 20 gal lawn sprayer fits onto any hose end and offers up to 20 gal of finished spray, a built-in anti-siphon feature to prevent backflow, fingertip on or off control, durable, chemical-resistant and rustproof polyethylene construction. It automatically mixes liquid concentrate with water.