![Robertson Worldwide ROBERTSON 3P10061 CC1420 AM Fluorescent mBallast, Preheat Start, 120Vac, 60Hz, Normal Ballast Factor, NPF; Robertson Worldwide ROBERTSON 3P10061 CC1420 AM Fluorescent mBallast, Preheat Start, 120Vac, 60Hz, Normal Ballast Factor, NPF;](https://c.shld.net/rpx/i/s/pi/mp/28761/prod_13865821929?src=http%3A%2F%2Fwww.ishopdir.com%2Fimage%2FI%2F71fnBiVjQeL._AC_SL1500_.jpg&d=d0425c1771ae46df525a362147fb1b0d29cf9bf5&hei=1000&wid=1000)
Robertson Worldwide ROBERTSON 3P10061 CC1420 AM Fluorescent mBallast, Preheat Start, 120Vac, 60Hz, Normal Ballast Factor, NPF;
![robertson 3p20178 psr2gph55homv am fluorescent electronic ballast for 1/2 gph406t5ho, gph436t5ho, gph508t5ho and 1 gph841t5ho uv lamp, program start, 120-277 vac, 50-60hz, normal ballast factor, hpf - Newegg.com robertson 3p20178 psr2gph55homv am fluorescent electronic ballast for 1/2 gph406t5ho, gph436t5ho, gph508t5ho and 1 gph841t5ho uv lamp, program start, 120-277 vac, 50-60hz, normal ballast factor, hpf - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll1280/AJ7WD2204220P8MIW03.jpg)
robertson 3p20178 psr2gph55homv am fluorescent electronic ballast for 1/2 gph406t5ho, gph436t5ho, gph508t5ho and 1 gph841t5ho uv lamp, program start, 120-277 vac, 50-60hz, normal ballast factor, hpf - Newegg.com
![ROBERTSON 3P10061 CC1420 AM Fluorescent mBallast, Preheat Start, 120Vac, 60Hz, Normal Ballast Factor, NPF; Operates the following lamps 1 F14T8, F15T8, F14T12, F15T12, F20T12, (Replaces Model CC1420 /A) ROBERTSON 3P10061 CC1420 AM Fluorescent mBallast, Preheat Start, 120Vac, 60Hz, Normal Ballast Factor, NPF; Operates the following lamps 1 F14T8, F15T8, F14T12, F15T12, F20T12, (Replaces Model CC1420 /A)](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71yPAq3kdsL.jpg)