Most suitable for Labs, Pharmaceuticals, Chemicals Glass Plants Etc. Useful for heating inflammable liquids electric heating net is hard Knitted from glass yarn (without any joint) & for durability &stands temp. Up to 350° C body of mantle is spun one piece from non rusting Alum (duly stove 1powder coated) mantles are logged with special grade mineral wool. Most suitable to work on 230 V A.C. supply. Capacity: From 250 ml to 20 lts.