... be choose prismatic and opal Product Name: Fluorescent lighting louvers with plastic cover Specifications: 1) Use for: construction project, office, hotel, deparment store ... , 24X30W, 4X40W, 3) Voltage: 220V,240V 4) Frequency: 50/60Hz 5) Material: Steel base for 0.25mm, 0.3mm,0.4mm ...