GermGuardian LB4000 UV-C GENUINE Replacement Bulb for AC4300BPTCA， AC4825， AC4850 & AC4900 Air Purifiers[Product Information]- 5 Watt bulb with the power of UV-C. UV-C light fights germs， kills airborne bacteria， viruses and mold spores.
- The light is a safe， natural way to kill germs without the use of chemicals. Produces no ozone or chemical sprays
- Replacement Bulb for GermGuardian Air Purifier Models AC4900， AC4825， AC4850， AC5300B， AC5350B， AC5350W
- Needs to be replaced every 10-12 months depending on use and environmental factors; IMPORTANT: Use genuine Guardian Technologies replacement parts to maintain product performance and warranty.
- Lamp contains mercury
