These coliwasas provide safe, cost-effective sample retrievals for drum sampling. Each features a special tapered fitment which serves as a check valve to close off the sampler and allow easy transfer to sample bottles with minimum loss. Made of high density, inert polyethylene, each coliwasa is individually decontaminated with Liquinox laboratory detergent and DI water rinse before assembled, and then individually packaged and sealed. 1,100 ml capacity, 1.5" I.D. x 42"L. Case of 12.
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