The main features are:

Continuous cleaning of filtering surface
Purging is independent of cleaning unlike in backwash systems
Less loss of liquid during purging for purging is not necessary for cleaning of filtering surface
Automatic purging based on preset timer and / or preset DP
Automatic controller with three options' 'Auto, manual & Power save modes.

Optional Features

Electric Motor driven or Air motor driven
Electro - pneumatic or Electrically operated purge valve
Skid mounted units