Vape Pen or Pen Vaporizer is a type of vaporizer which is smaller in size and looks like a pen shaped e-cig. Vaping is so popular among cannabis users also. Vape pens and e-cigarettes entered into the main stream because of number benefits. Pen vaporizer is that much popular because they are more suitable for dry herbs, oils, e-liquids and waxes, in comparison to other formats of e-cigarette. It is like a fancy pen in design. They are very easy…