cartomizer model

[zelda]

I have a cartomizer that fits on a 306 with an adaptor. The cartomizer has a recessed battery end like the 808 cartomizers. I can't figure out what model
cart this is.

 

[DonDaBoomVape]

It probably is the Kr8. Most of the others (e.g., the 510, RN4081) have a male connector. [E9 cartomizers (e.g., Smoke51, Vapure, Green Smoke) also are female (recessed), but I don't know of any 510 to E9 adapter.]

 

[Kent C]

I have a cartomizer that fits on a 306 with an adaptor. ...I can't figure out what model
cart this is.

What adapter are you using for it? The 306 without an adapter fits the 510. With an adapter would be dependent on what type an adapter you bought. 510 to 901/cartomizer - if so it's likely a KR8 type cartoz.