The raw or waste water to be filtered is pumped into the pressure vessel of the bag filter, which consists of filter elements (known as Bag - PP) in micron size from 5u to 50u with 5 liter and 10 liter water capacity sizes. will be sent with The filtered clear liquid flows continuously and can be returned to the process or processed further. When the bag becomes clogged with suspended solids, back pressure is created and this is the right time to remove the suspended solids from the bag and reuse it.