(1)MATERIAL :borosilicate 3.3 (2)volum: 500ml,1000ml,2000ml,3000ml,5000ml,20000ml,50000ml (3)wide mouth:75,100,150,215,245,345 ... features:(1)item:Reaction flask barrel-shaped(2)material:heat ... resistant 3.3 borosilicate glass(3)all types:500/75 1000/100 2000/100 ...