Abstract: A smoking or vaporizing device comprising a body having a cavity defined in the body, a product holder/pen configured to hold a product (including an oil or other substance) to be burned or vaporized for smoking, the holder in communication with the cavity which cavity is configured to expand, pressure means for creating a negative pressure within the cavity or for expanding the cavity, including in one instance a plunger and in another instance the holder/pen itself, and a one-way automatic output valve in communication with the cavity whereby negative pressure created within the cavity causes smoke or vapor to draw into the cavity and positive pressure within the cavity causes smoke or vapor to exit the cavity.