Grille lamps, ( grid lighting )ceiling lamp,grille lighting grille light fittings Features: 1) Model: 4x 20W or 4x 18W (T8), dimensions: 600 x 600 x 80mm (or as per requirement) 2) Body: 0.35/0.5mm (or as per requirement) high quality cold-rolled steel sheet. The surface is finished by epoxy powder spraying 3)rReflective material: Prism reflector (clear, white) 4) Ballast: electric or electromagnetic, 220 240V / 50Hz, 110 120V/60Hz 5) Lamp holder: PC material by UV resistance processing 6) Wire: 0.75mm2 high temperature anti burning wire 7) Suitable for offices, classrooms and meeting rooms 8) Installation: embedding install or put it on the light steel frame, reflector and shell adopt spring open technology, easy to fix and maintain ProductLight body sizemm) Packing(mm) 2pcs/ctn,YGD2*18w595*295*80620*300*170YGD2*36w1195*295*801230*300*170YGD3*18w595*595*80620*600*170YGD3*36w1195*595*801230*600*170YGD4*18w595*595*80620*600*170YGD4*36w1195*595*801230*600*170