+18 96 Inch Fluorescent Black Light Bulbs References. Price and other details may vary based on product size and color. Rated to last 5 years (12000 hours) based on a.

Price and other details may vary based on product size and color. A bulb can either use a filter to block most visible light and only allow ultraviolet light through or it can produce ultraviolet light and limited light in the visible spectrum. 200+ bought in past month.