... 1410r/m, IP55, class F, efficiency 90%, top/foot mounted, certification, CCC.(motor can be supplied as demand)Motor bearing ... , national grade. V-belt, A -type belt, imported from Korea. Shutters, galvanized board, 0.8 ... 50≥140035000750≤643801000x1000x450175USDZRP-13801270(50in)50≥1400480001500≤643801380x1380x450235USD ZR series wall-mounted push-pull centrifugal ventilating fan