Here's an interesting offering from Cigpet. The Eco Dual Airflow rda. Don't know much about it yet but I should have one by the end of the week. The deck looks nice for larger builds and the resin drip tip is pretty cool too. Both airflow inlets are adjustable, sounds good, we'll see.
https://www.heavengifts.com/product/CIGPET-ECO-RDA-SS.html
Cig
https://www.heavengifts.com/product/CIGPET-ECO-RDA-SS.html
Cig