This series of filters is suitable for filtering out dust particles with an equivalent diameter of 1 μ m or more, and can effectively filter dust and debris in the air. The filter material uses imported coarse efficiency filter cotton, which can be widely used at the inlet of various air conditioning and ventilation systems as a pre filter.

1. Structural adjustments can be made according to customer requirements;

2. The discarded paper frame filter can be incinerated and treated without pollution;

3. The outer frame design adopts a metal frame, which can be reused;