Available in Santoprene, Viton, BUNA and EPDM, Shurflo® 166 Air Operated Demand Pumps employ a dual diaphragm design, with a patented fast action switching mechanism allowing for consistent flow and pressure. They are built for the toughest pumping applications and are available in a variety of elastomers that allow them to be compatible with mild caustic or acidic fluids. The Model 166 is ideal for chemical transfer, injection and spraying. 

• 2-Chamber Dual Diaphragm
• Positive Displacement
• On-Demand Operation
• Chemically Resistant Polypropylene Body
• 30 to 60 PSI [2.1- 4.1 bar]
• 0.6 GPM Maximum Flow