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C2 Bio Sponge Filter 25”x 4.75”x 0.75” Cut-to-Fit Foam for Aquarium Fish Tank Koi Sump Reef

C2 Bio Sponge Filter 25”x 4.75”x 0.75” Cut-to-Fit Foam for Aquarium Fish Tank Koi Sump Reef C2 Bio Sponge Filter 25 x 4 75 x 0 75 Cut to Fit Foam for Aquarium Fish Tank Koi Sump Reef

Count:1

Key item features

Specs

Material
Bio sponge
Aquarium filter type
Aquarium Filter Media
Brand
C2
Form
Pads
Model
FBA_XY-1812- 5PC
Count
1

Current price is $12.45

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Arrives by Fri, May 22

Sold and shipped by Aquapapa Inc

4.659863945578231 stars out of 5, based on 147 seller reviews(4.7)

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About this item

Product details

This Bio sponge poly filter is great for mechanical and biological filtration for your tank and fish ponds. It is suitable for use in fresh & saltwater aquariums. You can cut to fit and use in any pad filters as you like. It catches small particles and waste in you tank and also provides large amount of surface area for colonization of beneficial bacteria.

C2 Bio Sponge Filter 25”x 4.75”x 0.75” Cut-to-Fit Foam for Aquarium Fish Tank Koi Sump Reef

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Specifications

Material

Bio sponge

Aquarium filter type

Aquarium Filter Media

Brand

Form

Pads

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

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Customer ratings & reviews

5 out of 5 stars

stars7 ratings6 reviews

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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-3 of 6 reviews

Jun 5, 2025

Esther

Top Reviewer

Sold and shipped byAquapapa Inc

5 out of 5 stars review

Verified Purchase

Great alternative to replacement filter cartridges

This is a course sponge, which is great for water flow through the filter. I ordered this to replace the filter cartridge that came with an internal power filter so I would not have to spend extra money replacing cartridges every month. It came in a decent amount of time and has worked out well so far (it has only been a little over a week).

Incentivized Review

Helpful?

Jan 29, 2026

Amy

Sold and shipped byAquapapa Inc

5 out of 5 stars review

Verified Purchase

Just what I needed.

Was easy to use. Had to cut it down some but all in all it was what I needed and my tank has seemed cleaner. Thank you!

Incentivized Review

Helpful?

Jan 10, 2026

Christine

Sold and shipped byAquapapa Inc

5 out of 5 stars review

Verified Purchase

Glad I tried it.

I cut it to fit my old whisper filter. I got 4 pieces. I've had it in a week hoping to build a biological system and it filters very well.

Incentivized Review

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C2 Bio Sponge Filter 25”x 4.75”x 0.75” Cut-to-Fit Foam for Aquarium Fish Tank Koi Sump Reef

Key item features

Specs

How do you want your item?

About this item

Product details

Specifications

Material

Aquarium filter type

Brand

Form

Warranty

Warranty information

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