Dennerle replacement cartridge for nano corner filter (pack of 3)

Replacement filter cartridges for the Dennerle Nano Corner Internal Filter and Nano Corner Filter XL

Recommendation:
To ensure consistently high filter performance, the filter element should be replaced every 3-6 months (depending on water contamination).

For the corner internal filter you need 1 piece.
For the corner internal filter XL you need 2 pieces (should not be changed at the same time)

Package contents: 3 pieces + additional 1x black, small filter sponge

large surface for filter bacteria
excellent filter performance
for crystal clear and healthy water