Ultraviolet Light Explained
Ultraviolet light is broken down into UV-A, UV-B and UV-C.
UV-C is the only range that kills viruses, bacteria and mold.
Ultraviolet Rays
UV-A: Used in black lights. Does not kill viruses.
UV-B: Kills some viruses with varying results.
UV-C: Guaranteed to kill viruses and bacteria. Safer for human skin and eyes.
Philips Bulbs
The graph above is published by Philips Lighting to demonstrate that its UV Bulbs emit mainly 250 nm, which is pure UV-C light.