The ceramic center rod is created from a porous white glazed ceramic. A plastic ring created from polypropene sits down below the tank. You can find an o-ring made from a silica gel compound that assists seal the ceramic rod into your plastic ring at The bottom with the https://buyvapecartsonline86295.blogspothub.com/26513963/the-5-second-trick-for-buy-vape-carts-420