lamps feature a reduced overall fluorescent tube size and allowing them to fit into more lighting applications. The NL-13450 energy saving light bulb also uses an extraordinarily small amount of energy, generating up to 75 lumens per watt and yielding as much as a 75% savings in energy costs. The Neolite NL-13450 is better for the environment to, has lead free glass and solder and only one milligram of mercury--a 75% reduction from the industry standard.