I am selling 2 Used PFO 175 Watt Dual Metal Halide Ballasts. Please email ltrickel@yahoo.com or call 503-308-2849. Product Description Features 120V 6 foot supply cord for each ballast Extruded aluminum heat sink enclosure for maximum heat dissipation Each ballast can be controlled by independent timers Each ballast has an independent on-off switch Quick disconnect for maximum versatility in socket mounting configurations Ballasts enclosed in an aluminum housing which helps dissipate heat. The plugs and quick disconnects on the PFO ballasts are standard. If you want to upgrade or downgrade the lighting intensity, all you have to do is purchase a new ballast and bulb, and you are all set. No need to send your entire system back to the manufacture and no cumbersome rewiring neccessary. Dimensions: 18"L x 7.5"W x 6.25"H $75 Each or $125 for the pair. These can be bought new here for $225 each http://www.bluewatercorals.com/pfo175wadume.html oregon