PYREX 9mL Screw Cap Culture Tubes with Phenolic Caps, 13x100mm-CGW 9825-13

These PYREX® culture tubes are supplied with deep-form phenolic caps to facilitate handling and sealing after autoclaving. Caps are fabricated from a special formula resistant to the effects of temperature and steam in autoclaving and are provided with a glued-in, white rubber liner. The white enamel marking spot gives an excellent surface for pencil notations. Pencil marks are easily erased.