The AirVape Xs Bubbler is a high grade borosilicate water filtration attachment meant for use with the AirVape Xs vaporizer. This bubbler attachment fits onto the AirVape Xs mouthpiece. Using the included three-layered ground glass connection with 18mm, 14mm and 12mm compatibility, you can attach the Xs vaporizer to the AirVape bubbler or any bong you might own. This sleek, solid glass bubbler percolates smoke with an advanced water filtration system to cool and smooth out each hit before it is inhaled. Easy to fill, clean, and use.