SGA 85 SprayerBuilt with your professional needs in mind, the SGA 85 sprayer is the first battery powered sprayer in the STIHL AP Battery System. Featuring strong Viton seals for durability and reliability, an easy to use diaphragm style pump, and a leak resistant design, you can count on the robust construction of the SGA 85 for the long haul. This professional sprayer provides a high working pressure in a range anywhere from 14. 5 to 87 psi, easily controlled by