Ceiling lamp with watertight armature with injection-molded body in gray RAL7035 polycarbonate, unbreakable and self-extinguishing V2, with high mechanical resistance thanks to the structure reinforced by internal ribs, and lamp holder in white polycarbonate and contacts in phosphorous bronze with G13 socket. The diffuser is injection molded in transparent polycarbonate prismatic internally for greater light control, self-extinguishing V2, stabilized against UV rays and external smooth finish. The reflector is in cold-rolled steel, hot-dip galvanized against cracking, coated with a 7/8 micron epoxy primer, anti-yellowing UV stabilized painting in glossy white polyester, 20 micron thick. Supplied with 3.15A protection fuse; cable gland in fv nylon diam. 1/2 inch gas; gasket in ecological material of expanded polyurethane; locking hooks in fv nylon W total 56, Lumen-K-CRI FL 1x58 5200lm-4000K-Ra 1b. Model 921 Hydro T8 EL, Disano Illuminazione brand