KR808D-1 is the model of the current Bloog. The -1 is important because there is also a KR808D-2 which is
thread-incompatible.
Vapor4Life is KR808D-1 and sells soft-cap blank and prefilled cartos (and sells the juices separately too). Many multibrand vendors sell KR808D-1 cartos. What you want are standard resistance KR808D-1 cartos (the blanks that say LR or low resistance are for 650mah+ fat battery models like PigCig and Elegant Easy). BTW - you need to be more careful about filling/refillingcartos because you have auto
batteries and they are dependent on a drag sensor in the end of the battery, right where a carto would drip if it leaked.