I'm selling my old sump and light setup. Sump ran my 65 gallon for 2 years with refugium no problem. Comes with Mag 7 return, coral life 65 skimmer, a eshoppes 300 overflow box. Pretty sure it's a 1 inch bulkhead. For the light it's a 250 watt pendant made by coralvue. Double ended bulb socket...