HQUA 55W Electronic Ballast for 12GPM Water Sterilizer ， Ballast For UV Lamps<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Input: AC 100-120V/60Hz，standard Uited States three-pin plug.</li><li>Output: For 55W 425ma UV lamps standard 4pin.</li><li>Suit for AL 12 GPM UV water sterilizer.</li><li>Good Quality and Safe design.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TO9HBTFqL.jpg" noproxy>