Goandwin 2 Pack 18 inch F15T8/BL Replacement UVA Black Light Blue Bulbs, 15Watts T8 BL Linear Fluorescent Lamps for 30W Machine,350BL -365nm - - Amazon.com
GT-Lite 48" T8 Black Light LED Light Bulb at Menards®
Great Value LED Tube, 10 Watts T8/T12 Black Light Replacement Lamp G13 Base, Non-Dimmable, Black, 24-inches, 1-Pack - Walmart.com