APT10-1(100mm): 15W, 2000r/min, 1. 7m3/min; APT12-2(120mm): 25W, 2000r/min, 2. 75m3/min; APT15-2(150mm): 35W, 2000r/min, 3. 6m3/min; The bathroom ventilating fan including blade, nest, frame, is all made from plastic. We have two type three sizes for the fans, one is European type, the other is Japanese type. The blade size is 4'/5'/6'.