Just checked Graingers. I didn't see a 40x40. but lots of
36x36. That size handles 600-1000cf/min. Pretty good volume.
I'd recommend reducing the opening to the std. size 36x36.
Good Luck
Steve
-----Original Message-----
From: jniolon@uss.com <jniolon@uss.com>
To: shop-talk@autox.team.net <shop-talk@autox.team.net>
Date: Thursday, July 30, 1998 09:37 AM
Subject: RE: shop fans
>
>
> I think you would find your best options at Grainger's. Both fans and
> louvers...you might not find a direct fit but I would think 40" x 40"
> would be a standard...if you don't have a catalog..let me know and
> I'll look for you...
>
> john...
>
> ps...how bout buying two...I'll give you my shipping address....yea
> right !!
>
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