Need more accuracy and precision for your professional spraying jobs? The SG 20 manual backpack sprayer is perfect for up close applications— like pesticide or herbicides. Lightweight and comfortable to operate with easy to maintain components, this sprayer has a pressurized fluid reservoir separate from the main tank, so you can maintain constant pressure and refill without losing working pressure. When working with compounds such as pesticides and herbicides, accuracy and control are top priorities. The STIHL SG 20 manual backpack sprayer helps ensure constant working pressure, thanks to a pressurized fluid reservoir separate from the main tank. Now you can maintain constant pressure, even through refills. The sprayer is also comfortable and lightweight, helping you get through the day with less fatigue.