A vape cartridge assembly is provided. The vape cartridge assembly may include a monolithic cartridge body with an inner passage and a connector coupled to an end of the cartridge for connecting to a power source. The assembly may also include an atomizer within an atomizer shell, the atomizer shell comprising a vapor tube, the atomizer shell coupled to the connector within the inner passage of the cartridge body. The assembly may further include a cartridge seal coupled to the vapor tube of the atomizer shell within the inner passage of the cartridge body to form a fluid reservoir on one side of the cartridge seal and a mouthpiece on the opposite side of the cartridge seal.