![The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer. The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.](https://eheim.com/media/image/53/bc/f5/2271020_professionel_4-_250_mitVerp_0815_kl.jpg)
The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.
![The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer. The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.](https://eheim.com/media/image/8c/44/c7/170111020125.jpg)
The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.
![The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer. The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.](https://eheim.com/media/image/3b/0b/57/2271-2275_prof_4-_D-1.jpg)
The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.
![The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer. The first external filter with the technology to extend intervals between cleaning | EHEIM GmbH & Co. KG. Leading aquarium manufacturer.](https://eheim.com/media/image/d9/e6/f1/191122091154_600x600.png)