flasks – clear -glass – round bottom – for nitrogen
- Manufactured from heat resistant, durable borosilicate glass according to DIN and ISO standards. Featured with an 25? angle PTFE stopcock.
- Thick wall, heavy base and reinforced rim prevent breakage during washing and transportation.
- Perfectly grinded NS necks with smooth interior guarantee excellent leak-proof closure.
- Volume graduations and inscriptions are printed with white enamel.