DWK Life Sciences (Wheaton) BOD Stopper Leash
By DWK - Wheaton Science Products![DWK Life Sciences (Wheaton) BOD Stopper Leash](https://krackeler.com/tt/lg/graphics/0012/jpg/776580-1.jpg)
This rubber leash ensures that stoppers do not become lost when collecting samples directly from the field. The 10mm diameter holes at each end of the leash expand to fit snugly around both the stopper and the bottle neck.