For those who use these little cartridges, you know how quickly the price can add up. [steve] takes us through the process of adding a valve to a spent cartridge so it can be refilled.

Delta Extrax’s THCA 2G Cartridge Duo | Adios Blend comes with two cartridges, each filled with 2 grams of THC oil. This amounts to a total of 4 grams or approximately 0.14 fluid ounces of product.