ROBERTSON 3P10010 CC1420 /A Fluorescent mBallast, Preheat Start, 120Vac, 60Hz, Normal Ballast Factor, NPF (Item sold now as Model CC1420 AM in single quantities as ROBERTSON 3P10061; Available in a 10 ea. Quik-Pak as ROBERTSON 2P10061) Equivalent to: PHILIPS-ADVANCE LC1420C, KEYSTONE CF-1322M-CC Save 41% and order the Quik-Pak of 10 individually packaged units: 2P10010 CC1420 /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