Try this one. Affordable $25 Never leaks or seeped ever. You can get the authentic airflow reducer kit that fits it as well.
I have 2 and it's my favorite tank. Exactly 1:1 The threading is amazing, and easy to build on.
SJMY Kayfun V5 Kayfun 5 Style RTA 22mm 4ml Silver Rebuildable Atomizer