PYREX® Narrow Mouth Erlenmeyer Flasks with Phenolic Screw Cap, Corning 4985

These narrow mouth Corning PYREX® Erlenmeyer flasks with phenolic screw caps are ideal for use as a shaker flask or for mixing - media prep - and storage needs. Impact resistant caps with GPI threads are equipped with cemented-in, inert white rubber liners which are resistant to steam sterilization. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. For convenience - these screwcap erlenmeyer flasks are graduated to show approximate capacity and include marking spot. Material: borosilicate glass code 7740.