? Product Description ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??? Air Diffuser Ceiling Diffuser It is made by the good quality materials and professional work teams , it is with nice looking and easy to install.False ceiling? Material:galvanized steel or aluminum,False ceiling Specification?600x600mm,300*300mm,300*600mm,300*1200mm,600*1200mm,500*500mm,400*400mm Packing:?standard carton with?PENNON markcan add bubble and hard paper for protect products Quality guaranteeWe guarantee the surface color stable for 10 years by indoor use. PENNON?offer kinds of ceilings for client,we also offer interior design and machining service. ? ? Many Patterns Show