- Sample sludge, waste or viscous fluids
- Single use
- 200 mL capacity
Disposable glass coliwasa is best suited for use when sampling sludge or semi-solid material. The rigidity of the glass makes it suitable for boring through semi-solid sludge-type materials. The coliwasas tight Teflon® seal keeps in liquid and sludge material. The outer tube is 40” long.