This is by far my best one and I’ve tried sooo many just on this tank alone
POM 510 Drip Tip
Black / SKU 2646200

Here are some copies of the OG designs
Coppervape POM 510 Drip Tip (2-Pack)
17mm, Black, 2-Pack / SKU 9646323

Coppervape POM 510 Drip Tip for Dvarw MTL V2 RTA Atomizer
21.9mm, Black (Coppervape) / SKU 9697705