Patent attributes
An apparatus is provided including a first cartridge with a first central passageway and a first reservoir with a first product. The first product heated within the first cartridge forms a first quantity of vapor. The apparatus further includes a second cartridge having a second central passageway axially aligned with the first central passageway when the second cartridge is connected to the first cartridge and a second reservoir having a second product. The second product heated within the second cartridge forms a second quantity of vapor that passes through the second central passageway. The apparatus also includes a mouthpiece connected to the first cartridge and configured to deliver a combination of the first and second quantities of vapor from the first central passageway to a user.
