This 9x9 inch coarse foam pad has 15 pores per square inch. meaning it would take a long time without servicing to clog. These are cut to fit pieces for canister filters, hang on back filters and sumps. We had these specifically made for us as they are so handy! Cut to fit any size filter!

Sponge Pad Coarse

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This 9x9 inch coarse foam pad has 15 pores per square inch. meaning it would take a long time without servicing to clog. These are cut to fit pieces for canister filters, hang on back filters and sumps. We had these specifically made for us as they are so handy! Cut to fit any size filter!

Customer Reviews

Based on 138 reviews
96%
(133)
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(3)
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(1)
D
D.R.
Idea #802 Overflow prefilter - Save your little guys
R
R.M.
Great Product!
J
J.C.
M
M.B.
Glad I have this in my "inventory"
T
T.P.
P
P.
Long live beneficial bacteria
N
N.L.
Incredible
J
J.T.
Awesome!
S
S.S.
Very useful pre-filter
A
A.F.
Great Investment!!