LaMotte Horizontal Water Sampler. Quickly and easily collect water samples at specific depths with this sampler! The included 20m calibrated line is marked at convenient 1m intervals. Simply send the weighted messenger down the line to trip the sampler’s closing mechanism at the desired depth. Suitable for sampling fresh, brackish, or salt water, the clear tube holds approximately 1,200 mL and allows for visual inspection of the sample. Open one chamber end cap to dispense larger aliquots. Features rugged stainless steel components. Dimensions: 15˝ x 3.5˝ x 4.5˝.