Chapin 21210XP Premire Pro XP Poly Sprayer for Fertilizer, Herbicides and Pesticides (1-Gallon) 1-Gallon translucent tank with 4-inch wide mouth opening for easy filling and cleaning Compatible with common fertilizers, weed killers and pesticides Brass wand and shut-off , adjustable brass nozzle, anti-clog filter Pressure relief system built into the tank Larger pump for more pump volume