The Digiflavor Drop Solo RDA is the single-coil edition of the Drop RDA. Designed by Brian, aka The Vapor Chronicles, who was also behind the original Drop RDA.
The Engine II is a follow-up to the popular OBS Engine RTA. It's 26 mm in diameter, has a top-airflow system and holds 5 mL of e-juice. It has an innovative build deck designed for dual coil action.
The Wotofo Recurve is a 24-mm single-coil RDA. It is designed by Mike Vapes and manufactured by Wotofo. Its name comes from the curvy design which can be seen on the top cap as well as on both 810 included drip tips.
The Augvape Intake RTA is a leakproof 24 mm single coil atomizer designed by Mike Vapes. Its build deck houses two tubes which guide the air from the top of the RTA to under the coil.
The Joyetech Riftcore Duo RTA is a coil-less atomizer. It features two self-cleaning heating blocks rated by Joyetech for a million puffs. Joyetech hasn't named the material used on the heating blocks but they will be made in the U.S. and tested by independent U.S. labs.
The Advken Manta MTL RTA is 24 mm in diameter and holds a max capacity of 3.5 mL. It features a single-coil build deck and a tighter airflow system for restrictive lung and mouth to lung vaping.
The Vandy Vape Revolver RTA is a 25 mm single-coil atomizer. It features an innovative airflow system that uses a revolving barrel placed on the bottom of the deck. It has 3 mL tank capacity that can be extended to 5 mL with an included bubble glass.
The Vapefly Galaxies is a 22 mm MTL RDA with many options for airflow adjustment that works really good as a squonking atomizer. It is a solid RDA that can produce a satisfying tight MTL draw and is available for under $30.
VandyVape and Alex from VapersMD teamed up to create the best 22 mm MTL RTA currently available. Read the full review to understand why.