The  C3 ceramic cartridge is designed with a full ceramic coil, plastic mouthpiece, and a pyrex glass body giving you a pure taste whilst maintaining the correct temperature which makes it perfect for thick oil & other e-liquids. Each premium slim line refillable vape cartridge is available in either 0.5ml  sizes and is designed with precision using only the highest quality materials. The 510 thread makes this accessible to most slim-line thick oil vape batteries/mods. These carts are not filled! orders over £35 automatically free post