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8D Non-Adhesive Fish Tank Filter Cotton

8D Non-Adhesive Fish Tank Filter Cotton

Soft, Strong, and Ready to Keep Your Tank Clear

Regular price $20.00 USD
Regular price $30.00 USD Sale price $20.00 USD
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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

Care & Sizing

Wash gently and reuse up to 300 times. Available sizes: 11x50CM, 30x40CM, 40x50CM, 30x120CM, 50x120CM, 40x200CM.

Shipping & Delivery

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.

Helps prevent clogging

Keeps your filter running smoothly and supports clear, steady water flow.

Safe for all fish

Made from non-harmful material that keeps your tank buddies comfortable.

Breathable design

Water passes through easily, helping your aquarium filter work well.

Long-lasting use

Wash and reuse up to 300 times, making it a reliable tank partner.

Flexible sizing

Multiple size options let you match your setup with ease.

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Why This Filter Cotton Stands Out

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

FAQ I Everything you need to know

How thick is the filter cotton?

It is about 2CM thick, giving your tank solid support for filtration.

Will it work in any aquarium filter?

It fits most aquarium and fish tank filters and can be cut to size.

Does it help keep the water clear?

Yes, it supports clear water by catching debris and helping prevent clogging.

Is the material safe for sensitive fish?

Yes, the non-harmful cotton is gentle for all fish types.

How do I clean the filter cotton?

Rinse it with clean water and squeeze gently. Avoid harsh soaps.

Can I use it in a pond tank setup?

Yes, you can use it in aquariums, small pond tanks, and similar systems.

Does it reduce filter overflow?

It helps manage debris, which supports smoother flow in your filter setup.

Can beginners use this filter cotton?

Yes, it is easy to place, trim, and clean, making it great for beginners.

How often should I replace it?

You can reuse it many times. Replace it when it no longer rinses clean or feels worn.