This 25mm Terp Slurper Vacuum Banger is the improved flat top version of the classic banger, The flat top design allows for a wider options of carb caps and accessories. The head heats up quickly and keeps that heat away from your piece preventing thermal shock damage to your glass. The tray on the bottom holds heat and slurps up into the vaping chamber in the middle. The 2mm thick walls will help soak up the heat and release it slowly helping to keep the banger in the hot zone longer. The clear pill will help spread every drop of concentrate, as for the 14mm marble cap helps seal until ready to release with each hit.