Filter bags are the most widely used media for filtration. They are made from various Medias like Polypropylene, Polyester, nylon, and Ptfe. Various types of media used are needle felt, mono filament and multifilament. Filter Bags are available in a wide range from 1 -200 micron rating.
Filtration takes place from inside to outside and these filter bags have a high dirt holding capacity. Removal of filter bag is also quite easy; one can open the top lid of the housing and can change the filter bag and the bag can be disposed off.