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…

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.