That's the same 5 light flex outlet I use Doggon. Used to be a floor lamp, 19.99 at Target until I had a vision.
Typically better lumens per watt the lower the wattage, my fav closet veg setup is 4 42w at 6500k and a 65w for 2700k in the middle. Those high dollar 100+w cfls are bulky, hot...