The SAF Series compressed air filters reduce contamination in your air stream to help protect critical processes and valuable equipment. Each microfilter housing comes equipped with an internal float drain and a differential pressure indicator. They come in three different grades: general purpose (Grade-X), high efficiency (Grade-Y) and activated carbon (Grade-Z). The SAF Series microfilters will provide reliable performance and continuous high-quality air. Clean, quality compressed air maximizes air-tool service life, ensures that pneumatic machinery and control systems operate at the peak of their performance and keeps pipes & valves free from contaminants.