Oversize ring for 6" E-Series Round LED Downlight. Covers ceiling cut-outs up to 7-1/4"Compatible Luminaires:NEFLINTW-R6233: 6? E-Series FLIN LED Round Downlight (2700K/3000K/3500K)NEFLINTW-R6345: 6? E-Series FLIN LED Round Downlight (3000K/3500K/4000K)