[Amps] Fan Dust Filter

[Paul Kraemer]

Bob
Most electronic distributors sell fan filter media for many sizes of fans
Mouser, DigiKey, are two places I'd look
Or, go to graveyard of old window airconditioners. One piece of filter media 
would cover a lot of fans.
Paul K0UYA
----- Original Message ----- 
From: "Robert Carroll" <w2wg at comcast.net>
To: <amps at contesting.com>
Sent: Wednesday, December 03, 2008 8:03 AM
Subject: [Amps] Fan Dust Filter


> After 20 years or so, the dust filter on the external fan on my Alpha 86 
> is
> disintegrating.  This is a square of almost paper-thin foam which fits in 
> a
> frame on the input side of the fan.   It looks a little like the material
> which used to be present in window air conditioner units.  I suspect it is
> critical that the material not decrease air flow but that the pores in it 
> be
> small enough to stop the dust.  Perhaps Alpha would sell a replacement, 
> but
> hopefully I can find a local source of the material.  Can anyone suggest
> where to look?
>
>
>
> 73
>
> Bob W2WG
>
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