Tophatter's Inc. Barb Family Travel Bubbler AttachmentTake your vape sessions to the next level with this Travel Glass Bubbler Attachment! Functional with the Barb Fire, Barb Fire H2O, and Barb Flower Vaporizers, this glass attachment transforms already smooth hits into effortless pillows of smoke. Using this add on bubbler is as easy as slipping the included silicone travel bubbler adapter onto the mouthpiece of your vaporizer and inserting it into the slide joint of the glass attachment. Functions with