Soft, Strong, and Ready to Keep Your Tank Clear
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A simple filter layer that helps your fish tank stay clean and happy.
This 8D non-adhesive filter cotton gives your aquarium steady, reliable water flow. It helps keep water clear, supports your filter system, and is gentle on every fish. Cut it to fit your tank, rinse it when needed, and enjoy clean water day after day.
A comfy filter layer your tank will love.
✔ Helps keep water clear and fresh
✔ Reusable and washable up to 300 times
✔ Safe for all aquarium fish
✔ Breathable and easy for water to pass through
Wash gently and reuse up to 300 times. Available sizes: 11x50CM, 30x40CM, 40x50CM, 30x120CM, 50x120CM, 40x200CM.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
Is this filter cotton safe for all fish?
Yes, the material is non-harmful and safe for all aquarium fish.
Can I cut it to fit my filter?
Yes, the cotton can be trimmed to match most aquarium filter setups.
How often should I wash it?
Rinse it when it looks dirty. It can be washed and reused many times.
Keeps your filter running smoothly and supports clear, steady water flow.
Made from non-harmful material that keeps your tank buddies comfortable.
Water passes through easily, helping your aquarium filter work well.
Wash and reuse up to 300 times, making it a reliable tank partner.
Multiple size options let you match your setup with ease.
A dependable pick for steady, clean water flow.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Safe for all aquarium fish | ||
| Washable up to 300 times | ||
| Breathable water flow design | ||
| Multiple size options | ||
| Easy to trim for custom fit | ||
| Non-adhesive 8D cotton | ||
| Helps prevent clogging | ||
| Supports clear tank water | ||
| Reusable filter media | ||
| Soft on filter systems |
It is about 2CM thick, giving your tank solid support for filtration.
It fits most aquarium and fish tank filters and can be cut to size.
Yes, it supports clear water by catching debris and helping prevent clogging.
Yes, the non-harmful cotton is gentle for all fish types.
Rinse it with clean water and squeeze gently. Avoid harsh soaps.
Yes, you can use it in aquariums, small pond tanks, and similar systems.
It helps manage debris, which supports smoother flow in your filter setup.
Yes, it is easy to place, trim, and clean, making it great for beginners.
You can reuse it many times. Replace it when it no longer rinses clean or feels worn.
