Innokin Exthermal RDA has deep grooves that act as heat reducing cooling fins that surround this RDA from top to bottom.The bottom groove is the largest and each ridge gets smaller until it is completely tapered down to the top when it reaches the drip tip. The drip tip is 510 compatible and comes with the matching design shown. Featuring a 510 atomizer connection and AFC (Air Flow Control) the Exthermal is a simple RDA to build with great performance.The interior of the Exthermal has 3 posts with the center positive post having multiple coil holes to give the user more options when coil building.
- Adjustable Airflow Control Ring
- 3 post set up
- Standard 510 Tip
- Posts feature multiple holes for mounting coil wire
- Unique fin design to assist with heat dissipation
- Tri-post inner coil building base
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