The 8000 Series diaphragm pump is SHURFLO's most widley used agriculture pump. VitonⓇ valve material and santoprene diaphragms assures maximum chemical resistance. 6.8 l.p.m. with choice of 60 or 100 p.s.i. pressure switch models or SHURFLO's new smooth flow internal bypass/pressure switch model give a constant smooth delivery even when using a small nozzle sizes. Ideal replacement pump for all 12 volt sprayers.