Visible light technology that helps clean and refresh indoor environs on both surfaces and the air. When you have a Pure-Light bulb turned on, you're providing another line of defense against a whole host of undesirable pathogens. In addition to this, Pure-Light bulbs also help to deodorize your home from most common household odors: pet smells, strong food scents, smoke and musty smells. Mold and fungus growth is also inhibited when a Pure-Light bulb is in operation. Pure-Light bulbs have proven effective at increasing the growth of plants in artificial lighting environments, particularly in greenhouses.