Wheaton® Coliwasa Tube Samplers. Glass

Wheaton Coliwasa tube samplers feature a PTFE seal which allows sampling to within 1/2-inch of the drum or tank's bottom. The positive seal allows transfer of sample to bottle without any loss. Up to 200mL sample sizes can be drawn. Glass Coliwasa tube samplers are available in disposable, pre-scored models as well as borosilicate glass models which are un-scored and designed for repeated use after cleaning. Sampler O.D. x Length: 2.2 x 106.7cm. Tapered bottom with 1.3cm (1/2-Inch) diameter opening.