Hellvape Vertex Hellvape Vertex MTL RTA is a 22mm diameter MTL RTA, with single coil configuration. Main Features: 1. 22mm diameter MTL RTA, single coil configuration 2. Turntable with 3 airflow intake structures 3. Knurled grip to adjust the bottom airflow(6 different airflow),the ring has a knurled pattern for you to grip with ease Size: φ22 x 53mm Capacity: 3.5ml Resistance: 0.6/1.0Ω Color: SS, Matte Black, Gunmetal, Black Gold YDDZ T1 YDDZ T1 MTL RTA (22mm) has two side posts for easy single coil building. You can change the capacity between 2ml and 4ml by a 4ml glass tube & tank cap. Main Features: 1. Top filling system, with a 4ml glass tube & tank cap to change capacity between 2ml/4ml 2. Dual bottom airflow adjustment:bottom airflow ring & airflow inserts to adjust more precisely 3. Two side posts for easy single coil building Size: φ22.0 x 51.1mm Capacity: 2ml/4ml Color: Silver, Black Learn More: Hellvape Vertex YDDZ T1 ElegoMall provides worldwide shipping and competitive price, register on ElegoMall Now to get your new user coupon that worth $1,000 (wholesale only) and 20% OFF coupon for retail. For any questions about any vape wholesale in China, feel free to contact us.