These glass cartridges and mouthpieces are sure to take your concentrate game to the next level. Simply fill the tank with your favorite vaping oil and youre all set! These cartridges feature a full glass tank and ceramic coil and come in .3ml, .5ml, or 1ml sizes. The mouthpieces are made from a variety of materials and come in many different shapes to fit every preference. The cartridges have a 510 thread and are reusable, so mix and match your perfect cartridge today! We also sell the cartridge tanks or the mouthpieces individually, in case you need a few extra.