Introducing Dry Herb Mouthpiece Vape Screens. Get the most out of your dry herb vape by using mouthpiece screens. Mouthpiece screens prevent herbs and other particulates from entering or blocking the chamber or vapor path. Mouthpiece screens are a vape necessity. Make sure you have a reliable Dry Herb mouthpiece screen for your favorite vape pen when needed. Our Dry Herb Screens are made of high-quality materials and are backed by a one-year warranty. Pick up a replacement set or two here!