Standard 4-Pin Ultraviolet Bactericial Light, Electric Quartz Heater, UVC Bulbs manufacturer / supplier in China, offering Standard 4-Pin Ultraviolet Bactericial Light T3 15mm Electric Quartz Heater UVC Bulbs 185nm 254nm UV Germicidal Lamp, High Quality Gold Plated Twin Quartz Tube for Heater, Customize Gold Coated Silica Quartz Tube for Heater and so on.