SAVE YOUR SCREEN! The Mach5ive Screen Saver is your custom, clear screen protection solution for Elegoo Mars 3 Ultra 4K. Protects your screen and printer internals from the damage that a resin spill can cause. Seals the gap between the screen and printer chassis. You must re-level your build plate per the instructions included after install. You may need to increase your exposure times, as the Screen Saver will allow greater than 93% of the light through. SAVE TIME WITH PREP - Now you're no longer forced to tidy up your printer right after a print. Apply our Screen Saver and have peace-of-mind knowing that your printer internals and LCD are protected from resin leaks. QUALITY PROTECTION Why take the risk of damaging your printer internals, LCD or FEP film? Avoid expensive repairs by applying our Screen Saver and protecting your printer. Several sizes are available! EXTRA DURABLE - Made of high-quality PET, our Screen Saver is built to last. At.13 mm thick installed,