ADDA AS4056 DC fan specification: 1.frame size(mm): 40X40X56 2.bearing ... AWG26 Plastic Material: Black PBT (UL94V-0) glass fiber ADDA AS4056 new designed DC fan detailed specification: 1. frame size(mm ... FG, PWM+FG9. safety approvals: CE,TUV,UL,cUL ADDA AS4056 Solar Air Cooler Fan