Designed by scientists for scientists, the versatile, powerful, and incredibly accurate ElveFlow OB1 MK4 pressure controllers are the perfect solution. The Piezoelectric technology integrated in this line provides 20x more precise and 10x faster flow control than any other flow controller on the market.  Whether you need pressure or vacuum functionality, low or high flow rates, short or week-long studies, ElveFlow’s OB1 series microfluidic pumps are ideal for your microfluidic needs.