We have used the bule reusable mat filters from Wal-Mart or Home
Depot. Jim

Can you give me a name or color so I can identify the right stuff? It needs
to be at least 3' on one side.

I checked our local pond shop (on-line), for what I assume is the poly
fiber, he wants $6/linear foot (3' across). Outrageous!!!! I checked with
AES and they want ~ $16/for 2 ydsX3'. So not happy with our local place.
:-( ~ jan
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Zone 7a, SE Washington State
Ponds: www.jjspond.us