While sprayers were once a niche product, today sprayers have become an essential piece of farm equipment for effective crop production. By properly applying chemicals to control weeds, insects, and diseases, you give your crop the best chance for high yields. Manual Knapsack Sprayer 16-liter Polyethylene tank Pumping lever Piston Pump Brass chamber and Adjustable Strap Manual Knapsack Sprayer 15-liter Polyethylene tank Pumping lever Piston Pump Polyethylene chamber and Adjustable