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 accommodates 3ml/4ml e-liquid with top filling design and improved cotton slot can make the coil building easier. Each Alberich measures 22mm by 53.4mm and completes the PEI & glass tubes, 510 drip tip, and 510 thread. 0.8ohm KA1 prebuilt coil caters to a stellar MTL and impressive cloud.