GPH118T5L/4 lamps emit high intensity ultraviolet light at 254nm. They purify air, water, and surfaces without the use of harsh chemicals that are harmful to the environment.
This lamp is also known as :
We recommend that you replace your uv lamp every 9,000 hours or approximately every 12 months. This ensures maximum disinfection as the amount of useful uv-c light lessens after 9000 hours.