The Model 404 Pump is a simple, reliable inertial pump that provides a cost effective sampling option for groundwater monitoring. The Pump consists of a riser tube fitted with a one-way foot valve. It can be easily operated manually, or by using a surface pumping mechanism. The tubing and foot valves come in various sizes suitable for varying well diameters and sampling applications. Effective to depths of 200+ ft in 0.4" to 6" ID wells.
Easily operated by hand
Excellent in silty or sandy environments
Low cost and convenient
What's in the Box:
Solinst 101282 Model 404 D25 (Delrin) Inertial Pump (1/2" x 5/8" Tubing)