Mig vapor sub herb

I recently picked up a mig vapor sub herb attachment. I love it, works great. I really only have one question about it.
Does anyone know roughly how long the coil lasts? I got about 2 weeks of occasion usage before it stopped working. Luckily I got a second one when I ordered it.

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Coils usually have an average life span between 1-4 weeks depending on usage and what you are using. Going 2 weeks on a coil with herbs is actually pretty good because those device gunk up a lot quicker than e-juice.

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We got in to the habit of scraping it out after each load. Thank you for the info.

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