The Uwell Caliburn Koko uses a super compact replacement Pod system that have a pre-installed coils and are refillable and can last you up to a week and a half! These pods hold a juice capacity of 2ml and are all in a resistance of 1.2ohm. Offering a strong and smooth hit all day long. Can used for either a Caliburn or a Koko device.
Box Or Single Coil
This product contains nicotine which is an addictive chemical