Smith Performance Sprayers R300 3 Gallon Sprayer for Pros Applying Weed Killers, Insecticides & Fertilizers Professional grade sprayer and components built to withstand harsh agricultural chemicals (along with rugged transport and use) Durable, 21 inch stainless steel wand with exclusive poly lining and the highest quality Viton seals for maximum chemical resistance Highly efficient pump requires 25% fewer pumps per gallon than leading competitor In-line, easy-to-access filter has more surface area than leading competitors which reduces clogging and minimizes cleaning Faster, easier repair - pump seals can be changed within minutes without tools, which equals less downtime This is an O.E.M. part