Abstract: A vape pen includes a first housing and a mouthpiece detachably and electrically coupled to the first housing. The mouth piece is configured to accommodate a liquid and a heating element for atomizing the liquid. The heating element includes a first tube includes an inlet for receiving the liquid, the inlet having a main-slit portion, a bottom-slit portion and a top-slit portion spaced apart from the bottom-slit portion, the main-slit portion interconnecting the top-slit portion to the bottom-slit portion. The heating element further includes a pair of electrical leads for conducting electrical power from the power source and a wire mesh disposed between the pair of electrical leads, the wire mesh configured to generate heat when energized so as to atomize the liquid.