Model dsx200 - Blown Ball Seal, Case of 12
Economical and chemical-resistant, these disposable Coliwasas are excellent for taking column samples quickly. Model dsx4000 has a ground glass sealing drum and is pre-scored for safe disposal. Seals better on light liquids like solvents with no solids. Measures 43” long and has a 250 ml capacity. Case of 12.