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The Dennerle Nano Filter Extension is an attachable filter attachment for Corner Filter and Corner Filter XL that improves filter performance. A short-term additional filtering with phosphate binders or activated carbon is also possible. This Filter Extension is especially recommend for fish stocking.
- Easily attached
- Increases filter performance
- Can be used with phosphate binders or activated carbon
- Cannot be used with baby protect extension
Optionally insert additional filtermedium to the extension chamber, rinse (to remove possible residue caused by abrasion in transport) and clip it onto the filter.