Solinst 425D Weight for Deep Discrete Interval Sampler - 115342 Low Flow Sampling tamper-proof well plug that will

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Solinst 425D Weight for Deep Discrete Interval Sampler - 115342 Low Flow Sampling tamper-proof well plug that willSolinst 425D Weight for Deep Discrete Interval Sampler Weight to be used with the Solinst 425D Deep Discrete Interval Sampler. A single weight has a mass of 2 kg. Add 1 weight for every 100 m (300 ft) of submerged Sampler depth, after the first 100 m (300 ft).