Bluonics 100-120V UV Ballast 55 W with Smart Flow Sensor Switch- 4 Prong
Compatible with Bluonics 12 and 24 GPM, 55W and 110W UV, Agua and HQUA. Style: 4 Prong Connection for Bluonics UV Bulb. 55W UV Ballast w/ Switch flow for our 12 GPM Ultraviolet Light Water filter / Water Purifier.