I would strongly advise to everyone who care about their health not to use ANY plastic parts on their vaporizer.

The heat produced causes plastic to release toxic synthetic fumes, and you inhale them with the rest of vapor created inside the bulb.

I use a lightbulb vaporizer myself, but I use only glass, metal, ceramics and other materials that have a really high melting point.
Hemppy Reviewed by Hemppy on . Lightulb Vaporizer: How to... This is a tutorial on how to construct and use a lightbulb vaporizer. It's a simple and easy to make contraption that will save you time and money and keeps the smell to a minimum, perfect for college dorms (my purpose). Materials: 1. Lightbulb, any type, shape, size or brand, just make sure the lining (if it has a white lining) is powder, not the type that is painted on. Halogen bulbs also may pose a health risk. 2. 20 oz. plastic water bottle. 3. Straight pen body tube. 4. Pocket Rating: 5