High Filtration Capacity Hypoallergenic Masks
Save 22% on Pack of 50!
One Hole Black Rubber Stoppers, regular length. For general laboratory and other uses. Each stopper has its size in raised figures on top. Dimensions in accordance with NBS specifications. Sold by the pound. Same as R6200, except with one pre-drilled hole.
(Sample Photo Shown. Individual models or products may differ from the image shown.)
High Filtration Capacity Hypoallergenic Masks
Save 22% on Pack of 50!
Transferpette S pipettes — Buy 3 Transferpette S single channel pipettes, get one FREE!