Equipped for both 14mm and 18mm direct inject fittings, it is made out of premium Grade 2 Titanium. Utilizing a conceptual design, it stands out from a crowd making the use of traditional vapor globes and glass adapters obsolete. The Dart Direct Inject Titanium Domeless Nail features an enlarged airpath inside filling chamber, works with both solid and liquid essential oils and is built with a heat reduction system that employs cylindrical air vents for stabilized heat generated. The four air vents are located underneath the main filling chamber. Well made, efficient and easy to use all at an affordable price, you won’t want to miss out on this! Get the Dart Direct inject Titanium Domeless Nail by Torpedo today!