ROBERTSON 3P20030 RSO118CQ120 /A eBallast, Preheat Rapid Start, 1 Lamp, 4 Pin CFL (CFQ18W/G24q) or Circline (FC8T9), 18 Watt, 120Vac. Equivalent to: Philips-Advance REB118M6,Universal CBT118L-120S,Hatch FR1800LH,Fulham NPY120126CFL Equivalent to: Keystone KTEB1C22-1-TP-SC /H Save 35% and order the Quik-Pak of 10 individually packaged ROBERTSON units: 2P20030 RSO118CQ120 /A Two Year Factory Warranty-ONLY if the Amazon Seller is ROBERTSON WORLDWIDE. Take advantage of ROBERTSON's 60 years of electronic design and quality manufacturing experience