Strainers find your most frequently used as a coarse filter or pre-separator. The filter materials can be regenerated, thus reducing operating costs.The strainer filter is designed to adapt on it easy to check when the filter has to be cleaned.  1.Removing oil and water from the compressed air 2.Filter strainer material have features like high filtration efficiency,corrosion-resistant,high strength,low air flow resistance,long service life 3.Oil resistance,chemical corrosion resistance,avoid coalescence liquid into air again.