Extended Surface Pleated Pre Filter

1、large air flow,low resistance, small running wastage. 2、it adopts non-woven filter media. It can effectively to wipe off the dust particulate and high efficiency. 3、it is supported by protected-net on the surface. It is well-knit and long life-span. 4、large dust holding capacity, good performance and low price. application field: it is used for centrality air conditioner and purifying equipment which is initial filter.