Description:Square air diffuser Material: Al 6063-T5 size:150*150mm,225*225mm,300*300mm color:RAL9016, RAL9010 These profiles are used for decoration,Kitchen and home decorationMaterials: Aluminum Alloy 6063,6061,or follow customers' demandTemper: T5 T8Surface treatment: Mill finish,Anodizing,Sand anodized,Power coating,Mechanical polishing,Electro-Colored, wooden coating and so on.Features1).One ...