1) For ceiling or sidewall application 2) All steel construction 3) One piece stamped face and 1" curved blade lanced 5) Two-ways deflection 6) White powder-coating finish 7) Any color you would like(2 weeks more) 8) Sizes option: 6" x 4" ,8" x4" ,10" x 4" ,12" x 4",14" x4" , 16" x 4", 20" x 4", 24" x 4",6" x 6", 8" x6" ,10" x 6" ,12" x 6",14" x 6" , 16" x 6", 20" x 6", 24" x 6". Customers sizes are available.