Outstanding, thank you!  7/16ths should do the trick.  The local megastore
FLAPS website says that the Beck/Arnley 0430899 square filter will also
fit, but I'll check when I get there tonight.

Thanks again.

> The size of the larger inlet hose is 11mm (VW N 020 300 1).  I have used
> standard 7/16" hose from a FLAPS, but this uncommon hose isn't really easy
> to find.  I have gotten away with using 12mm Cloth Braided Emissions/Vapor
> Hose (VW N 020 374 1) as the barbs on my pump and the pre-filter pretty
> well
> accomodate the hose and because there is no pressure to deal with should
> be
> quite safe.  Always use clamps of course. This is what I've run for the
> past
> 10 years now.
>
> Now a bonus for you (& other list members) if you choose to use the
> factory
> style square plastic pre-filter like I do on both my 84s:
>
> VW:  133 133 511
> Bosch Short: 71013
> Bosch Long: 0450901005
> Wix: 33274
> Fram: G3743