Keep your air clean and your GermGuardian Pluggable UV-C Air Sanitizer and the Clean2 UV-C Air Sanitizer and Hand Vac (each sold separately) up and running with the LB1000 replacement bulb. GermGuardian models uses a replaceable 3.5W UV-C bulb that kills 99% of targeted airborne bacteria. The LB1000 bulb fits the GG1000, GG1100, and GGH200 models. | GermGuardian UV-C Air Sanitizer Replacement Bulb (LB1000)