![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/86/af/70/1607070907438ofTBnySWixsE.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/5c/6e/26/DAR14479_0131_v05_Prof4_250_Master_1.png)
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.
![Eheim Professionel 4 plus 250 (2271), buitenfilter - Aquaplantsonline voor al uw aquariumplanten en producten Eheim Professionel 4 plus 250 (2271), buitenfilter - Aquaplantsonline voor al uw aquariumplanten en producten](https://cdn.webshopapp.com/shops/294272/files/315706152/660x660x2/eheim-eheim-professionel-4-plus-250-2271-buitenfil.jpg)
Eheim Professionel 4 plus 250 (2271), buitenfilter - Aquaplantsonline voor al uw aquariumplanten en producten
The EHEIM professionel 4+ | technology, aquarium, air filter | The EHEIM professionel 4+ EHEIMs best external filter but now with an integrated 'emergency' button. They have adopted the many advantages of
![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.
![Eheim professionel 4+ 250T külsőszűrő 120-250 literig szűrőtöltettel + beépített fűtővel 2371020 - Külső szűrők - Szűrés - Akvárium berendezések - ÁllatokVilága - Webáruház Eheim professionel 4+ 250T külsőszűrő 120-250 literig szűrőtöltettel + beépített fűtővel 2371020 - Külső szűrők - Szűrés - Akvárium berendezések - ÁllatokVilága - Webáruház](http://www.allatokvilaga.hu/images/products/large/6000/eheim-2371020.jpg)