Wicking the DL FL is the same as it is for the MTL Dvarw's. See @AngeNZ's blog.
The Dvarw DL FL ships with a 2x2.5mm AF insert which is 3.54mm AF.
Have you considered trying one of the more closed off AF inserts??? IIRC correctly you're currently enjoying more of an airy MTL so I'm thinking you might like the 2.5mm insert. It is nice and airy. I'm not sure if FT sells any of the optional AF inserts for the DL FL.
KHW Mods sells all the inserts. They have 2.5mm, 3mm, 2x2mm=2.83mm, 2×2.5mm=3.54mm, 2x3mm=4.24mm and a blank insert for DIY drilling your own AF preference.
KHW ships super fast. My last order arrived in 3 days via DHL. When I bought my DL FL I got the 2x2mm, 3mm and 2.5mm inserts (last 2 are single hole inserts). I enjoy switching them up all the time.
Currently I have the 2.5mm insert installed with a 3mm ID 26/36 316L clapton at 0.6 ohms and for me it's perfect for a nice airy MTL to a restricted DL. I vape the DL FL all over the place with wattages, 14.5w to around 35w. I'm MTL'ing at 30w with it right now. Although I do like a good Frankenvape (MTL on a DL rba). Thanks Ange!!!
Oh yeah, if you want an airier vape in your Coppervape Dvarw MTL's FT sells all the AF inserts.
$3.05 Coppervape AFC Kit for Dvarw MTL RTA Atomizer - 1.5mm/2mm/2.5mm at FastTech - Free Shipping
$4.85 AFC Kit for Dvarw MTL RTA Atomizer - 0.8/1.0/1.5/2.0/2.5mm at FastTech - Free Shipping
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