The Zeus RTA by GeekVape is an all-new leakproof RTA designed to accommodate the RTA lovers out there. The Zeus is made to be user-friendly and provides great flavor. It has 3D airflow and eliminates leakage issues. This tank has top airflow to eliminate the leaking issues. As well as top airflow, the RTA has a top cap fill system that's convenient for refill access. The top airflow design allows for a smooth and cool hit more for flavor and less of cloud production.