parabolic louver 1.0.4-0.5mm steel housing 2.0.3-0.4mm chinese aluminum 3.Powder:T8 3x18W 4.Size:2'X2'(595x595x85mm) Item no.:HMB-0217Power:3x18wSize:595*595*85mmMounting method:Built-in type, T bar,,Triangle shape keel, Suspended ceilingFixation method:Pendant chain, suspension rod, suspension hookparabolic louver Features:1.The bottom plate uses new sloping bottom design,and could be used with ...