The Piusi Water Filter removes both water and particles out of diesel to a 10/30 micron rating. This diesel filter can be installed before or after the pump, and has a spin on cartridge, which makes it easy to be replaced when it starts to get full. 10/30 micron filter Maximum flow rate of 70litres Per Min 1” F BSP Flanged Inlet/Outlet Suitable for Diesel and Petrol Includes 1 x filter head and 1 x filter element