This kit contains a glass bonza stem and cone as well as a rubber seal.
The stem fits into any bong that takes an anodized brass bonza stem,
sliding into the grommet just as a standard brass stem would.
Air-tightness between the cone and stem is retained by a small rubber seal included in the kit.
Product Details: 1 x Glass bonza stem 1 x Glass bonza cone 1 x Small rubber seal Stem length: 15cm