The Fail-Safe VRVT4 is designed to withstand environmental stress for years to come. VRVT4 is tightly sealed with a closed cell foam in place gasket and is equipped with tamperproof latches standard and impact resistant lenses, as well as optional narrow spectrum color LEDs for vivariums and certain types of specialty materials production. These features allow the VRVT4 to be used in a wide variety of vaportite applications where a standard product would not be sufficient.