Solinst-Model 407- Stainless Steel Bladder Pumps

Allows consistent, high quality samples with assurance that there is no air/water contact.

Provide consistent, accurate, reliable groundwater samples in all applications. Pumps are ideal for VOC sampling. PTFE bladders are ideal for dedication. Inexpensive polyethylene bladders are also available. Stainless steel pumps are effective at any angle, to depths of 500 ft (150 m), and are ideal for low flow sampling.