G23/2G7 UVC Lamp 5W 7W 9W 11W 13W 253.7nm 254nm Water Air Purification 9W UVC H Shape Tube, G23/2G7 UVC Lamp

G23/2G7 UVC Lamp 5W 7W 9W 11W 13W 253.7nm 254nm Water Air Purification 9W UVC H Shape Tube, G23/2G7 UVC Lamp

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