Features: New barrel and groove exterior design with two piece chimney Rebuild and make adjustments to your wick and coils without dumping out your juice Deck is designed with cotton grooves for convenient wick placement No more screws to fill juice or adjust airflow Adjustable Airflow Ring Peek Insulator for low sub-ohm durability Bigger Airflow Hole on the Airflow Ring and Deck Wide Bore Delrin Base Drip Tip 5ml Capacity