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Our aquarium filter replacement cartridges come pre-assembled, filled, ready to be used and will out perform the OEM cartridges provided with the filters!
Support American made products. All materials sourced and manufactured right here in the USA.
These replacement cartridges are constructed with polyester on both sides and contain extra amounts of professional grade carbon. Our carbon has been air-vacuumed, which results in a lighter more absorbent filter cartridge.
High Quality CartridgesFits Filter Models
- Marineland Millennium 1000 and Primo - Rite Size P
- Made in the USA using high quality materials.
- Pre-assembled and filled with high grade carbon for quick and easy cartridge replacement.
- Thick polyester padding for superior performance.
- In stock and ready to ship right to your door.
Always spot on and fast shipping
Great product and price - fast shipping
Size little small
They work just fine.
size P fish filters
I am very pleased with the filters. They are better than the expensive ones I was using. I asked Jaws for his opinion but he didn’t respond .
I hadn’t been able to find the original brand filters for awhile and finally found these as a substitute. They’re great! Honestly, exceeded all my expectations—they’re a solid construction and good material. I think they’re better than the brand filters. They fit great and my betta is thriving.