Parameters:
Size：24* 40mm
Capacity: 4ml
Drip tip diameter:2mm/3mm
Threading: 510

Features：
3D airflow transferring from top to bottom
Leak-proof design with top to bottom airflow system
Surround airflow design delivering from three different directions directly at the coils producing unbeatable flavor
Professional MTL drip tip with two different diameters
Innovative dual-layer chamber structure to provide outstanding heat dissipation effect.
12 airflow adjustment options for the perfect restriction