Review: Digiflavor Siren MTL RTA V4 22mm

Digiflavor Siren MTL RTA V4 22mm--A Flavor Evolving Return
With pride and honor, the reputation earning MTL vaping expert comes back with a more precise, linear AFC for a better and cleaner MTL experience, and improved deck design for a more convenient DIY experience. SIREN-exclusive flavor is evolved to another level.

Successive Deck Design-Build with ease and taste at ease
GTA deck design prevents liquid from leaking and spitting, and allows the airflow to come up straight under the coil, which creates optimal flavor.
Single-coil two-post style deck enables an easy coil-building and leaves enough spaces for more possibilities on the coils.

Built for DIY-Create your own combos!
4 kinds of MTL coils for more coil art possibilities!
Exclusive shoelace cotton for the coils with a diameter of 2.0/2.5mm. Only in Digiflavor!
Enjoy vaping with long or short 510 drip tips.

Precise Airflow Control-An everyone-want AFC
*Semi-hidden AFC structure - a precise and slide-to-adjust linear airflow setting. Anti-liquid-spilling, a clean vaping experience.
*Center-located honeycomb-style airflow holes allow the air to flow straight to the coil.
*Bottom airflow system

Convenient Filling-Easy to refill your day
*Top fill cap - an easy-to-open start to fill up.
*2ml liquid chamber - a whole-day nic-salt or freebase MTL vaping.
*PEI chamber - monitor the e-liquid level without losing the aesthetics of the metallic tank