12inch length bulb，Please confirm the light bulb size before ordering.
40W bulb compatible Flowtron,Stinger and other brand machines uses 12 inch length,GX10q type 4-Pin Base, U shape light bulb.
Professional black light blue bulb with high intensity 365nm peak wavelength.
Long Life Span: Light Bulb life average 6000 hours.
If light transverter/ fluorescent starter failed, it will cause bulb not work. Please consider change fluorescent bulb starter.If any question, Email us will get a reply within 24H.
