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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
- Tetra Whisper E, J, 10, 10i, Mini
- 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.
Filter fits perfectly in my aquarium. Originally had to call you because I couldn't find its size but once you showed me how by scrolling over picture on the left side of the page found it was perfect size. Thank you for being so helpful and making the filter without all the plastic! It's great
Fast and easy ordering and shipping delivery.
Great fast shipping.
Well packaged and prompt service.
Next time I plan to get a larger box.