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You are purchasing one piece of the Honeywell humidifier hwm-500 UV germicidal bulb - 1 year warranty! 100% compatible with the Honeywell HCM350, HCM 350, HCM-350-UV, HMW 500, hwm500 UV germicidal lamp buy wholesale from the importer. We stand behind our products and guarantee same day shipment and 100% buyer satisfaction. Specifications: watts: 3w voltage: 10v length: 2.4" diameter: 0.79" average life: 3000hrs bulb shape: t6 base type: intermediate screw (e17) brand: light spectrum enterprises, special description: germicidal (254nm), preheat all lamps are brand new, packaged individually and are 100% guaranteed.

Industrial Lighting Solutions UV-HCM-350 Honeywell Humidifier HWM-500 UV Germicidal E17 Bulb - B01AS5XLWK