Oil vaporizer: This type of vaporizer is meant to do the job with oil-based herbal concentrates, which can be liquid and rather runny. The Shiv is an example of an oil vaporizer. Mainly because its 510 threading is retractable, it’s designed for use with slender oil cartridges. The expression 510 https://www.lookah.com/vaporizers/510-thread-battery/