High Temperature Resistant: These flasks are made of industrial quality borosilicate 3.3 glass, which can withstand high temperature and thermal shock.
With Sidearm: Funnel vacuum seal adapter, 1000 ml 1 liter thick wall borosilicate glass filter thermos with sidearm.
Standard Graduation: Clear standard scale, easy to read.
Easy to Use: Dishwasher safe. Perfectly matched Buchner funnel and filter flask set.