Airflow Pins designed to reduce positive tubes initial 4mm diameter to 1mm, 1.2mm and 1.5mm respectively, offering the ideal airflow for a substantial range of MTL vaping profiles. With the optional use of the fine adjustment of AFC Ring.
An o-ring around their body allows easy installation plus perfect fitting inside the Pos Tube. The o-ring is black NBR or Sil70 clear, depending on availability. Vapeshell MTL Airflow pins are made from 316 stainless steel
What's in the box: