I just talked to a friend that is the proud owner of a Metro ecig. We were messaging back and forth about newbie stuff. Anybody know what threads the cartos have? 808? 510? Something proprietary?
"This starter kit uses the somewhat less popular RN4081/DSE 103 thread pattern on the batteries and cartomizers. This means that there will be fewer choices on the third-party market for replacement cartomizers."
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