DrySyn MULTI-E Complete Kit: includes MULTI-E base with heat resistant handle and (3 x 25 mL), (3 x 50 mL) and (3 x 100 mL) inserts. You can also buy these components separately to make up your chosen configuration of inserts. This MULTI system base allows 3 x flask or vial inserts to be used in parallel or 1 x insert to be used in the center at a time.