... *80mm 3.Diffuser:aluminum mirrow 4.T5 or T8 5.IP54 1.IP54 troffer light2.size:605*605*80mm 3.Diffuser:aluminum ... mirrow4.T5 or T8 5.IP54 Detail as below:1.Cool-rolled steel with sprayed white ... , not easy to change color , scratches, corosion-resistant. CX-3451 IP54 aluminum inserted troffer T8 or T5