I just converted two 2-bulb, 4' T8 wide-reflector fixtures to Lumegen LED tubes #LEDTB4F100000037558 From [...].

These tubes are 2640 lumens at 120 lumens/watt. 5000k, 80 CRI. Ballast removal is required. The tubes require non-shunted lampholders. I was able... Login to read more.