The ceramic Middle rod is created from a porous white glazed ceramic. A plastic ring constructed from polypropene sits down below the tank. There is certainly an o-ring made from a silica gel compound that can help seal the ceramic rod in to the plastic ring at The bottom https://buy-vape-carts-online20639.blogsidea.com/33113585/the-ultimate-guide-to-marijuana-edibles-and-weight-loss