Vapefly Alberich MTL RTA is specially designed for MTL vapers. With bottom airflow design, it can bring you flavorful taste and strong throat hit. It has 6 airflow pins to optimize vapor experience: 0.8mm/1.0mm/1.3mm/1.6mm/2.0mm/2.5mm. Vapefly Alberich MTL RTA deploys 4 screws for single-coil configuration and top filling design and improved cotton slot can make the coil building easier. Each Alberich measures 22mm by 53.4mm and completes the PEI amp; glass tubes, 510 drip tip, and 510 thread. 0.8ohm KA1 prebuilt coil caters to a stellar MTL and impressive cloud. Features : Designed for MTL Vapers, strong throat hit Bottom airflow to bring excellent flavor 6 airflow pins to optimize vapor experience 4 screws design deck to build single coil easily, improved cotton slot Top filling system, easy and convenient Parameters : Size: 22.0* 53.4mm Coil rebuildable: single coil Fill Type: Top-Filling AirFlow: Bottom airflow Airflow Pin: 0.8m, 1.0mm, 1.3mm, 1.6mm, 2.0mm, 2.5mm Drip tip: 510 Thread: 510 WHAT #39;S IN THE BOX 1x Vapefly Alberich MTL RTA 1x PEI Tube 1x Adapter 1x 0.8ohm KA1 Prebuilt Coil 2x Firebolt Cotton 5x Airflow Pins 4x Screws O-rings