KMT-Glass Stem-Long Thick

Downstems for glass bongs are the female parts of the sliders. Made from strong, heat-resistant and absolutely health safe Pyrex glass. These replacement downstems fit into the glass on glass bongs with a joint size 18.8mm and are compatible with our glass on glass bowls and bongs. They come in three different lengths and all stems are ended with few small holes called diffuser.