Desktop Bubbler UFO Modular with MouthpieceThis is a glass water bubbler designed for desktop use, featuring a modular UFO shape and including a mouthpiece. It is constructed from super thick, high grade borosilicate glass and comes with a weighted bottom plate for added desk stability. Both the stem and neck sockets are 18mm in size, allowing for maximum airflow. This accessory is compatible with vaporisers that have a Water Pipe Adapter (WPA) connection and other suitable 18mm mouthpieces.