ROBERTSON 2P20128 Quik-Pak of 10 Fluorescent eBallast, 1 CFQ26W/G24q CFL Lamp, Preheat-Rapid Start, 120Vac, 50-60Hz, Normal Ballast Factor, NPF, Model RSO126CQ120 AA (Replaces Model RSO126CQ120 /A) Equivalent to Philips-Advance REB-126-M6, Osram QTR1X26CF 120V, Universal CBT126L-120S Equivalent to Keystone KTEB-126-1-TP-SC /H, Hatch FR2600LH, Fulham NPY120126CFL Also offered as a individually packaged version by ordering our ROBERTSON 3P20128 Save the most with the 1P20028 carton of 20 units, not individually packaged Go to RobertsonDirect.com for complete technical data.