CP3 2 x Replacement G4T5 UV Bulb for Fresh Air and Other Systems, Inc. 2 (Two) New UV Germicidal Lamps in package UV Germicidal Lamp reduces bacteria in the air Fits Most Air Purifiers and Disinfectants that use 5"/13cm UV Lamp Alternate Part Numbers: G4T5/G, Ultraviolet Germicidal, AU/LG04T5, 363713, TUV4T5, FG4T5, Sterilamp, GE 15872, 3000013, Sankyo Denki, Galaxy GXG4T5 22116, LUMINCO LMG4T5DC, Sunlite, 10-046, 990-1040-01, UVP 34000301, 700170-STG, F 4W GL, F4WGL, S4WGL, EcoQuest P/N US70059, 70059, UVC, G4T5/G, 2W4S15W-2135, TUV 4W/G4T5, WHG4T54W, 14-00013-002, Made in Hungary, 20713497 G, WHG4T5 4W, GC095, B139, 14-0013-002, G C095, 14-00013-002, G C005, GC054, 448, USHIO, USH10, USHI0, ZW4S15W-Z135, 8N05, 8NO5 High Quality Italian Manufacture