The Aquaplus Knapsack Sprayer 12L sits comfortably on your back with adjustable harness straps to suit your height. It comes with a free grass guide hood and lance, as well as a fully adjustable nozzle that can create a fine mist to a jet spray. The tank is translucent with graduated markings, and the lance can be clipped into the pump handle for easy storage. The trigger lock allows for a continuous flow of spray, which is easy to turn on. This sprayer is ideal for pesticide application, and it's essential to consider the timing of your application to avoid contaminating habitats. The adjustable shoulder straps provide added comfort, and an extension lance is included for extra reach.