VooPoo MAAT Sub-Ohm Tank by (VooPoo). Experience one of the first middle adjustable airflow designed sub-ohm tanks with the VooPoo MAAT tank. Crafted from stainless steel construction, the chassis of the MAAT Tank is sturdy from accidental damage while modified for flavor-rich vapor production. This tank provides a 6.5ml juice capacity that can be filled through its spring loaded slide top fill system and utilizes the sought-after TPP coil series. The middle adjustable airflow ring is designed to stop and stem leaks that tend to normally happen in bottom airflow tanks. The mid airflow within the tank creates a chamber that mimics a bottom airflow sub-ohm tank to reduce leaks within the MAAT sub-ohm tank.