m401

[rob87]

been reading the mods.seems mostly for the 510 series. any mods for the 401 series?
Used the ptb mod.works ok but still dont lasts longer then the original stuff that comes with the carts.

 

[kristin]

Try this one: http://www.e-cigarette-forum.com/forum/cartridge-mods/52430-ptb-straw-mod-ptb-made-easy I'd love to hear how it works with a 401!