Secondary reflection design,high light output reaching 95%,V-shape grid,paracurve arc reflector,T8/T5 luminous tube ... 75585*285650*170*3402Grid IM: I type mirror VM: V-type mirror IR: I type matt VR: V-type mattLE-M02318Bitmap 2203*18G13598*598*75585*585630 ... strength manganese steel shrapnel buckle positioning, installation, easy maintenanceV / I-type parabolic arc reflector, a VJ, IJ, VY, IY, VM, ...