Guardian Technologies LB4100 UV-C Replacement Bulb is a 2-watt bulb. The UV-C light fights germs, kills airborne bacteria, viruses and mold spores. The light is a safe and natural way to kill germs without the use of chemicals and produces no ozone or chemical sprays. It does contain mercury. This bulb needs to be replaced every 10-12 month depending on use and environmental factors. It can be used for the Guardian Technologies Air Purifier Model AC4100. The use of this genuine Guardian Technologies™ replacement part will maintain the product's performance and warranty.
We love the air filter machine n purchased an extra bulb to have on hand..it perfect size for the night stand..My husband actually seems to have less issues with his allergies now, since using this wonder machine!...we r very happy we got this..
I ordered another for our son n his wife for their home....Yes, we all have animals .. n this really seems to help us when we sleep...we have the larger hepa machine by GermGuardian for the living room...they r a very good machine.... Bonnie. Yucaipa, CA. Wed May 27 2020