

Fluval U3 Underwater Filter Poly/Carbon
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Scott S.
08-06-2025Brand new and fits perfect. Exactly what you would expect.
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PAPA G
> 3 dayKeeps my tank Super clean
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Mel Guzman
> 3 dayThese are kinda hard to find so i have these saved and Ive bought a few times for my turtle tank. They are exactly what I need for her filter.
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Jordan
> 3 dayGood
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Allen E Jones
> 3 dayExcellent product. Crystal clean water.
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Tammy Carveth
Greater than one weekJust what I expected and delivered on time
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AA
Greater than one weekWater flow is great again. Thanks for the new filter. I tried cleaning the old filter several times but still doesnt work good.
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Jacks
> 3 dayI use this foam pad obviously in a fluval 3 filter. The filter is amazing, I have a turtle tank and it keeps the water crystal clean. Easy to clean and easy to replace dirty pads and such. Great product
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Ami Laurie
> 3 dayDoes exactly what its supposed to do!