GRAV® 14.5mm Male to 18.8mm Female Expansion Glass Adapter
GRAV offers its line of expansion adapters to help people like you increase the diameter of their favorite water pipe joints to make their rigs compatible with larger accessories. This GRAV 14mm male to 18mm female expansion adapter converts a 14mm female joint into a larger 19mm male.
This adapter is made of 14.5mm thick borosilicate glass that’s durable. It’s a great accessory to have on hand when you want to try out a new combination with your favorite water pipe. It fits snugly in your piece and is designed to give you some flexibility and creativity when you want to try something new!