The p16 is good and strong makes a lot a vapor and flavour almost as good as Nautilus, 4 different air holes, takes all kind of Coils Aspire and kanger and the dual tank material is a must, inside glass outside polycarbonate that you can separate for cleaning. Be careful with the black o rings on the tops of the tank. Be careful with your hands on refilling your tank the base can cut your index finger, use your sleeve to unscrew the bottom, belive it i know.
I'm using the p16 for fruit or snake oil and the Nautilus for tobacco flavours mostly ry4.
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