The classic cartridge brought to the next level with pure rosin & top quality hardware. Wisenheimer rosin has ZERO solvents which means there is no risk of residuals in the end product, giving you the purest cannabis experience possible. The rich cannabinoid and terpene content of rosin create some of the highest potency levels possible, allowing you to use less product for the same desired effects. Each hit of rosin provides a large dose of cannabinoids quickly, giving you the high you want, as soon as you want it.