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Amazon.com: QUA-EBS51-425-40L HQUA 110-240V 20-40W Electronic Ballast for 6-12GPM UV Water Sterilizer With Lamp Rated Life 365 Days : Patio, Lawn & Garden
Germicidal UV Lamp Electronic Ballasts 230V for 2 Lamps 2 x 75W | eBay
Electronic Ballast for UV Germicidal Lamps | ISL Products International Ltd.