Bluex Bulbs 4 Pack LB4000 Replacement Bulb for Germ Guardian AC4825 AC4850PT AC4300BPTCA AC4300BPT AC4850 AC4900 AC4900CA AC4800 AC4900 Purifiers Replace 5W UV-C Bulb

- Bulb Type: UV-C Ultraviolet; Base Type: G23 2pin. - Compatibitle with GermGuardian LB4000 AC4300BPTCA AC4300BPT AC4825 AC4850 AC4850PT AC4900 AC4900CA AC4800 AC4900 CDAP4500 AC5300B AC5350B AC5350W air purifiers. - Package included 2 packs UV-C bulbs, we do not sell Germ Guardian brand lamps. All Germ Guardian brand names, trademarks and logos are property of Germ Guardian. - Package included 4 packs UV-C bulbs, we do not sell Germ Guardian brand lamps. All Germ Guardian brand names, trademarks and logos are property of Germ Guardian.