This knob is also compatible with the Da Buddha and Vaporbrothers Vaporizers. This petite knob come is a variety of color options with uniquely crafted, beautiful finishes for the user’s preference. Hand blown, these knobs are made from durable glass making it both efficient and sturdy. The knobs are also made in a marble option with ruby red and fuming over butterscotch. Spice up your vaporizer with the Silver Surfer Vaporizer Knob. At a great price, you are not don’t miss out on this!