TORNADO Kitchen Ventilating Fan

30 cm, nstalling on inside frame dimensions 35 x 35 cm, Ventilating fan material : Plastic body and blades Plastic material : Anti-rodent Plastic blades easy to disassembly for cleaning, Safety back window Back Shutters : Plastic, Swivel switch work with 2 directions for suction and expulsion Power switch with power cord, Working more than 5000 continuous working hours Silent action Does not need lubrication and rustproof