These Cartos have a perfectly placed 2.5MM Juice feed hole Laser drilled into them at the Boge Factory! These cartos work like a dream in our J Tanks! No Bending of carto from punch process perfect vape every time!
(Cartomizers are considered a consumable item and only carry a DOA warranty. This does not cover improper filling, there are lots of videos on youtube on how to fill a tank properly)