Limitless XL Sub Ohm is the newest edition to the colab. The Limitless XL Sub Ohm is a 4ml atomizer that has a huge chimney for maximum vapor production, and a huge quad coil for great flavor and high wattage heating. The Limitless Sub Ohm XL tank can go up to 200 watts on a device without burning. With a revolutionary airflow control system, the Limitless XL tank offers a wide variety of airflow control options that you can adjust at the base bringing direct airflow into the coils. The Limitless Sub Ohm XL is a colab with ijoy that was designed in Southern California and manufacutured by ijoy.