... 35*15*600mm 21*21*3000mm T grids high quality different size T grids specificationsceiling T grids: ... good strength, cauterization-resistance, andwater resistance. Available Models and Specification: NAMESPECIFICATION ( mm)AT38 ( FLAT)Main tee38*24* ... application.5) High Quality Material, Moisture proof, anti-corrosive, non-deforming, fadeless.6) High precision, high symmetry, high close fitting. 7 ...