Update your water pipe with this high-quality glass diffused downstem. This item features a ground 14mm male to 14mm female joint. This piece comes at a standard size and fits most 8"-12" water pipes with a 14mm sized joint. 

The diffused downstem measure 5" in total length and 3.75" from the bottom of the frosted section. This means that the diffused downstem will go approx. 3.75 inches in length into your water pipe from the outer wall.