Hollowtips cartridges are one-of-a-kind, designed with a passion for cannabis, innovation, and craftsmanship. High-grade, lab-tested THC water clear extract is delivered from a patented bullet-shaped cartridge. It is also fully equipped with a 510 thread connection and leak-proof technology. Their patent-pending air-bubble chamber expands smoke during use for a highly satisfying experience. Moreover, their cartridges come with collectible magnetic bottom caps. So, together these special features and impeccable quality create a lasting impression. Now available in a Spliff Nation Dispensary near you.