SHURflo On-Demand Diaphragm Pump Model# 8000-543-236<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Polypropylene construction for long service life</li><li>Corrosion-resistant Viton valves and Santoprene diaphragm</li><li>Mounts in any position for versatility</li><li>On-demand switch</li><li>Approved for use with Roundup agricultural herbicide</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41NJYoB7hPL.jpg" noproxy>