Heavy wall Screw cap Particularly useful in handling sputum specimens, this bottle enables digestion, shaking, neutralizing and centrifuging to be performed in one container. The tight-fitting polypropylene screw cap with Teflon® liner reduces the possibility of aerosol escape.

These PYREX® heavy wall centrifuge bottles have beaded necks and use No. 6 rubber stoppers. These bottles have a small bottom area and are designed for use where relatively small amounts of solids are involved, which permits concentration of sediment for decanting operations. Due to the heavy…