For a variety of reasons, we are unable to endorse any particular brands; it is preferable for you to speak with your local retailer or distribution service. With that being said, we recommend using 510 thread cartridges which is the only thread that matches and fits in a DubCharge. A 510 thread is the most commonly used thread in the market currently. WARNING: AVOID COUNTERFEITS, AS THERE ARE A LOT OF THEM.
