Marineland 24-Pack Penguin Rite Cartridge, Size C
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Serenity
> 3 dayThis is all Ive ever used and they work well!
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valerie trang
> 3 dayThinly made. Didnt look like one bought at PetsMart.
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ATurner
12-06-2025This multi-pack of cartridges was an amazing value in comparison with our local pet supply store for the same product we have trusted for over a year now. They are easy to install into the filter and it is easy to tell when they need to be changed as well.
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KGladie
> 3 dayeverything was in the package and the filters work great and was not damaged in shipping. I keep these in my cart all year around so when i eventually run out i can buy bulk more. DO NOT GO TO THE PET STORE!!! I PRICED THEM OUT AND YOU GET A CASE FOR FREE BUYING FROM AMAZON.
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Dr. Providenci Ritchie I
> 3 dayAs expected. Great price.
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JWLW
> 3 dayGreat Deal! Definitely a must with my fish tanks! Works as directed and very sturdy and strong. Buy with confidence!
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brian
> 3 dayexcellent price
