Volcano Vaporizer Solid Valve Normal Screen Set "If you don't want to clean your screens or its just time for a fresh start, just order this screen set." Volcano Vaporizer Normal Screen Set Overview: This is the complete set of replacement screens for your Volcano. If you don't want to clean your screens or its just time for a fresh start, just order this screen set. Standard maintenance such as replacing your screens insures that your Volcano will give you peak performance while keeping the unit in accordance with the Warranty limits. Clean Volcano Vaporizer screen sets insure that your Volcano will remain clog free and reduce stress on the vapor pump. This screen set was developed after the early model Volcano screens kept getting clogged because they used a typical iron weave. The new and improved micro weave screen system in this set and shipped on all new Volcano Vaporizers insures clog-free operation.