φ10.6 inches (270 mm) Ceramic; Compatible Part Numbers: NE-M153-W/NE-M154-W/NE-ST615/NE-M155-W/NE-M156-W/NE-M15E1/NE-M156C/NE-M155C/NE-M154C/NE-M15E7/NE-M15E8/NE-M15E8/NE-M15E15E15E15E15E8/NE-M15E15E15E15E8/NE-M15E15E15E15E8/NE-M15E15E15E15E8/NE-M15E15E15E15E8/NE-M15E15E15E1E9/NE-T. 152/NE-TY153/NE-TY154/NE-TY155/NE-TY156/NE-T153-W/NE-T154-W/NE-T155-W/NE-T156-W/