Main uses
 
(1) Reactors between liquids and solids or liquids;
 
(2) Assemble gas reaction generator (normal temperature, heating);
 
(3) Distilling or fractionating liquids (using flasks with branch pipes, also known as distillation flasks);
 
Specifications: 250, 500, 1000, 2000ml can be used for single neck or multiple necks