DWK Flask 250ml Conical Pyrex Black PTFE Face Screwcap, 10 Pk BIBB1137/06M

Pyrex® Conical Flask with Screwcap 250ml [Pack of 10 flasks] Capacity 250ml, Flask height 130mm, Cap size 42, Body OD 85mm Flasks with SVL® screwcaps Ideal for the storage of culture specimens and media, these conical flasks are supplied with a black SVL® PBT screwcap allowing the flasks to be heated to 180°C. Ideal for storage of culture specimens and media PBT screwcaps with PTFE faced sealing disc Erlenmeyer pattern Manufactured from Pyrex® borosilicate glass for highest resistance to thermal shock and chemical corrosion White enamel graduations and marking spot Graduated to full capacity Note: If sterilising flasks by steam or dry heat, the screwcap must NOT be fully tightened. Slacken off first. Failure to follow this procedure can result in pressure build-up and possible fracture of the flask.