... Fluorescent; 2*20W, 4×20W Halogen; 2×1.5-3.5W, 4×1.5-3.5W LED3,Motor: single Motor and double ... shaded pole.4,Speed: three speeds motor ( high, middle, low)5,Filter: Acrylic filter paper, Aluminum filter, charcoal filter. The lifetime ... : φ120mm and φ150mm.7,Switch: Kinds of switch optional: touching swtich, touching LCD switch, touch sensot swith, DIP switch, keyboard switch and remote swith.8,Width ...