Mage;
Wouldn't be a 401 because the threads are opposite. i don't have a pic to the standard KR-808, but the KR-808-D1 also has opposite threads.
Kelly & Mage;
Well, slap me and call me Shirley. Here's a link to a You Tube Video introducing the new 4081 cartomizer.
If this is the case, you can use cartomizers or atomizers. The 4081 atomizers are also interchangeable with the DSE103 batteries. There's also 2 videos on You Tube showing how to refill the 4081 cartomizer.
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