... Exhaust Fan (semi-plastics type) 1,Size:6",8",10",12" 2,Power:25W,28W,38W,45W 3,Motor type:Copper ... plate and fan blade are manufactured by high quality ABS.5,there are wind pressure type,interlocking type and bidrectional type ... *278"APB20-A/B220/50288.1125050562.5*32*32.510"APB25-A/B220/503812120052570*36.5*3712"APB30-A/B220/504518110056573*42 ...