Flask, Borosilicate Glass, Clear, Round Bottom, 3 Neck (Parallel), NS 29/32 Center Neck Joint, NS 29/32 Side Neck Joints, 500 ml Volume

Manufactured from heat resistant, durable borosilicate glass according to DIN 12394 standard.

Thick wall, heavy base and reinforced rim prevent breakage during washing and transportation.

Perfectly grinded NS necks with smooth interior guarantee excellent leakproof closure.

Volume graduations and inscriptions are printed with white enamel.