Just as the title suggested, the Griffin RTA Tank by GeekVape with two types : Griffin 25mm Standard and Top Air Flow RTA and now both of these two tanks are in stock and avaiable in vaporizersdistributor.com with cheaper price,and now you can buy Griffin 25 RTA Tank right here : Buy GeekVape Griffin 25 RTA or Top Air Flow RTA With Best Price. Official Features Available for single or dual coil 6.2ml juice capacity 17mm build deck Clicking-Clock Positions airflow control Top airflow with travel-to-the-coil structure (Top airflow version) 510 threading connection 25mm overall diameter