Unsure, what are you having issues with? All 4 of mine are from COV. I have more at the PO waiting p/u direct from Vapage. Though I will be surprise if there is any difference. I have been using them on a grand & mini for over a week now and they are rocking my vape. I want you to have as good a vape as I'm getting.
First let me say Im not putting down the hybrid!!!! I found it to be extremelly airy draw..way too airy. Then I was gifted one what was NOTHING like the ones I bought and that one was GREAT!!! So I don't know what to think. 2 bought very poor and 1 given SUPER....