The whole point of a sample pump is to obtain a representative sample from a required location. Typically sampling is used to monitor for a particular pollutant and the materials of the pump need to be considered. Depth to sample is another criteria to evaluate of your sample pump selection. We cover a broad range of pumps used to sample to depths up to 615 meters. With you selections please provide as much detail about your requirements. We can help select the best pump for your job.