metalux 2 ft x 4 ft 4500 lumens led drop ceiling troffer light led flush mount ceiling light ceiling lights ls plus metalux 2 ft x 4 ft white integrated led flush mount ceiling light led semi flush mount ceiling light pendulum ceiling l industrial style aloa decor 28 in 8 lights 4 tier mid commercial electric 4 ft led garage integrated led pendant light fixture metalux 2 ft x 2 ft white integrated