I have been looking for a bottom dual core for some time but the only thing out there is that double barrel thing that gets bad reviews. Here's a new vivi nova bdc, will hit vendors soon i think. It can also come in protank style and ego style.
http://www.toihk.com/mini_vivi_nova_bdc_510
the heads, wonder if i can rebuild em.
http://www.toihk.com/clearomizer/aspire_bdc_coil_unit
http://www.toihk.com/mini_vivi_nova_bdc_510
the heads, wonder if i can rebuild em.
http://www.toihk.com/clearomizer/aspire_bdc_coil_unit