I've made cabin filters for my Mercedes similar to how it's depicted in
this link:
http://www.2phast.com/500e/default.htm

I assume the fresh air intake grill can be removed and the same sort of
thing recreated on a van.  It does then become a maintenance item requiring
periodic attention.

On Wed, Feb 19, 2014 at 6:42 AM, Alistair Bell <albell@shaw.ca> wrote:

> VW did, or rather Votex did. Part number 251 091 400
> See here:
> http://www.t3-infos.de/t3-infos_e.html#innenraumfilter
>
> Might be enough info there for you to make a set?
>
> Alistair
>
>
>
>
>
> > On Feb 19, 2014, at 6:21 AM, Jarrett Kupcinski <kupcinski@GMAIL.COM>
> wrote:
> >
> > I'm replacing the front heater fan, and so I'm doing a bit of cleaning
> in the heater box. I was astounded to find a collection of butterfly wings
> inside the box. I know every van should have a hobby, but I'd rather mine
> not do this at the expense of cabin air-flow.
> >
> > Has anyone rigged up any kind of fresh-air filter on their van? Perhaps
> something outside, underneath the front grille?
> >
> > Jarrett Kupcinski
> > 89 Bostig'd Westy
>

--
Casey