Glass conical flask 250ml, narrow neck, with black phenolic screw cap

• Ideal for use as a shaker flask or for mixing, media prep and storage needs

• Impact resistant caps with 38-430M GPI threads are equipped with cemented-in, inert white rubber liners which are resistant to steam sterilization

• Uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance

• With graduations & marking spot

• OD 81 x Ht 135mm

• Pyrex USA