Chemical-resistant diposable or reusable glass samplers. Take column samples quickly and economically. Specifications: 43"L with approximately 200mL sample capacity. Coliwasa with Ground Joint Seal combines positive sample retention with one-hand operation. Coliwasas are also available with PTFE Resin or Viton® seal. Takes samples to 1/2" of drum bottom. Unscored. No. 49703 decon to EPA Protocol B.
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