FLASKS – “3 ground neck” “20° angled side neck”

  • Manufactured from borosilicate glass 3.3 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 guarantees excellent leak-proof closure.
  • Inscriptions are printed with white enamel.