FLASK AIRLESS 500ML 24/40

The modified Kjeldahl shape of this flask facilitates heating, stirring and solvent stripping without impairing ease of liquid and solid transfer. · Improved version of classic Schlenk tube · Bottom of the flask is shaped to fit spherical heating mantles · Supplied with a glass plug and the patented 809000-0021 pressure/vacuum retainer · Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements