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We deliver to Germany, the EU, the UK, and North America. If you're located elsewhere, feel free to reach out to us for possibilities—though we can't guarantee delivery to all regions.

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4mm - has less of a holdback (retention) so less fluid remains in the filter. It is harder to procure and can be more expensive.13mm - has higher holdback and may need to be "backflushed" to get what remained out of it. More abundant and cheaper.Both have same filter media size (0.22 microns) and therefore have same filtration strength.

Yes, Linuo Cartridges are now available for purchase.

Customs and import fees depend on your country's regulations and the order value. We provide estimated fees when presenting shipping options.