E-Simpo® 50-Pack CFL T8 to T5 Fluorescent Tube side cap adapter G13 to G5 tube socket adapter T8-T5 tube side cap converter, allow you install T5 28W CFL into T8 fixture (L36
Philips 36W 4 Pin 2G11 Warm White Long Single Twin Tube CFL Bulb - - Amazon .com