WSI 501A
The Walter Stern, Inc. 227 g Boiling chip is designed to last through over 1,000 boiling operations .The Walter Stern, Inc. 227 gram Boiling Chip is designed to last through over 1,000 boiling operations. These micro-porous carbon chips are treated for vacuum or atmospheric operations, and eradicate bumping of non-aqueous and aqueous liquids.