... R ,enough capacity 2, larger air-flow 3,lower noise 4,corrosion resistance 5,ROHS authentication Product ... Application of new polymer materials, larger air-flow, lower noise, compact structure2,ROHS environmental protection authentication3, ... use4,High temperature and low temperature resistance, corrosion resistance, anti-bending, anti-fall Cross Flow Fan Blade /Blower WheelProduct Specification: ...