pre-fuel filter advice needed

[James Weiler]

On Fri, 28 Aug 1998, Andrew W. Macfadyen wrote:

> Inside the bowl the fuel is moving slower so it drops out some of the dirt/water
> that is being carried along by the flow  --- just like a river dropping silt.
> 
> Howerver my advice would be to fit a bag filter or screen  inside  the tank over
> the end of the fuel pick-up pipe, that way any muck will not even get into he
> fuel lines. This type of filter is to some extent self cleaning as the fuel
> sloshing around in the tank washes it.
> 

I've already got one, so does that mean that I don't need a pre-filter?
thanks again
jw