Outperforms the Philips Advance SmartMate ICF-2S26-H1-LD-K, ICF2S26H1LD, ICF2S26M1BS; Osram-Sylvania QTP1/2X26CF/UNV, General Electric GEC226-MVPS-3W, GEC226-MVPS-BES, GEC226-MVPS-SE; Universal Mult-E Kit C226UN-VME000K, C2642UNVBE, C2642UNVBES, C2642ME, C2642MES; and Keystone KTEB-226-UV-TP-PIC-DW-Kit. * Our Replacer Kits feature the industry"s only 5 Year, 194°F/ 90°C Maximum Case Temperature Warranty in a 140°F/60 °C Ambient environment. * Protect against electrical hazards and other dangerous conditions with Robertson"s exclusive, patented All-Star EOL protection * Also offered as a single quantity (individually packaged) version by ordering our ROBERTSON 000272 PSM226CQMVRK * For over 62 years, Robertson continues to be the largest manufacturer of fluorescent ballasts in the U.S. and is proud that it is a union shop