Air precleaner Adopt non circuit design and more efficient, the intake of dust and dirt filtration efficiency up to 95% Extend the paper filter replacement cycle, reduce engine wear, extending its life. Automatic filter dust, maintenance-free, lossless parts and waste. It can be widely used in construction machinery, forestry machinery, a variety of vehicles and equipment (such as excavators, bulldozers, combine harvesters, logging machines, dump truck, air compressor, etc. ), gasoline / diesel engines can be used. Model Air flow range A A B C D NW m³/h mm mm mm mm mm kg SG530 200-450 208 260 300 78 55 1.9 SG540 208 260 300 103 55 1.9