LAMP 4Watt, 12V Nominal, E17 Intermediate Screw Base, S11 Shape Monolithic Ozone-Generating Germicidal Specialty Discharge Lamp, originally engineered in the 1940s to perform high-efficiency gas sterilization, odor neutralizations, and target ultraviolet disinfection loops. Constructed with low-iron germicidal glass housing enclosing a V-shaped coiled-coil tungsten excitation filament, it operates under low-pressure mercury vapor and argon atmospheres. When current sinks through its 0.333-Amp circuit path via a matched series transformer or choke ballast, it initiates a localized thermionic gas ionization arc that emits focused shortwave UVC ultraviolet radiation peaking at 253.7 nm. This energy cross-links oxygen molecules externally to generate heavy ozone gas sanitization tracks inside vintage clothes dryers, air conditioners, and scientific processing modules, housed in a clear 1.375-inch diameter spherical glass envelope. Manufactured by General Electric (GE)