A water filter is central to the smooth operation of the water purification system. It is that part of the system where the purification actually takes place. Surface based filtration in filter elements allows for easy cleaning by back flushing the elements. Simple regular cleaning will extend the service life of the elements. Mist elimination, spark arrestors, and particulate filters are excellent uses for panel filters. Also can be used for HVAC systems or as a heavy duty washable filter. Air filter is composed of porous materials which removes solid particulates such as dust, mold, and bacteria from the air. Can be added an absorbent such as charcoal. Filter Bag general usage of dust collecting system. Wide range of dust filter bags that are fabricated from woven and non-woven fabrics, These oil separators are also known as mist eliminator elements, which are used to remove oil, smoke and mist from mechanical and rotary vacuum pumps.