We have been concentrating in researching and developing plastic flow impeller for air conditioner manufacturer since 1995. Cross Flow Fan Blade / ... prevent mildew, permanent use4,High temperature and low temperature resistance, corrosion resistance, anti-bending, anti-fallProduct Specification: Φ77*240(unit: mm ... manufacturer ,including Midea ,Gree ,AUX, CHIGO ,LG ,etc. cross flow impeller-77*240