These mesh coils are really great, they're easy to install (just dont recommend looking at them when dry burning because they get really bright) especially with the tool included with the RSA. Not much else to say really, they're perfect.
The WOTOFO Mesh Style Coils are prebuilt perforated metal sheets made of Kanthal A1 wire and are specifically designed for the WOTOFO Profile RDA. Each Mesh Style Coil has a resistance of 0.18Ω with a recommended wattage range between 45W and 65W. The recommended dry burning wattage range is between 15W and 20W.