PYREX 20x150mm Disposable Rimless Culture Tubes, Bulk Pack-CGW 99445-20

These single-use PYREX® disposable round bottom culture tubes are packaged for your convenience in easy-to-open and use packs. The three small sizes come in a dispenser arrangement, and the larger sizes are bulk-packed. They are made of borosilicate glass to reduce pH changes and contaminants potentially leached from soda-lime glass.