![Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned. Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned.](https://fish2water.com/resources/APA%20Small%20with%20Radar2.png)
Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned.
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Amazon.com : AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 11" x 10.25" x 2"/ 23" x 12.25" x 2" (11" Lx
![Wet Thumb Forum]-A New(??) Filtration Concept: The Hamburger Mattenfilter " HMF" - DIY Aquarium Projects - Aquatic Plant Ce… | Aquatic plants, Diy aquarium, Concept Wet Thumb Forum]-A New(??) Filtration Concept: The Hamburger Mattenfilter " HMF" - DIY Aquarium Projects - Aquatic Plant Ce… | Aquatic plants, Diy aquarium, Concept](https://i.pinimg.com/originals/ce/cf/ff/cecfff64b011b076d43944652fa10484.jpg)
Wet Thumb Forum]-A New(??) Filtration Concept: The Hamburger Mattenfilter " HMF" - DIY Aquarium Projects - Aquatic Plant Ce… | Aquatic plants, Diy aquarium, Concept
![Kallax20-HMF/2 Aquarium komplett mit Filter und Abdeckscheiben / () Ein Kreislauf - Klare Trennscheibe - Stöwers-Garnelenstube Onlineshop Kallax20-HMF/2 Aquarium komplett mit Filter und Abdeckscheiben / () Ein Kreislauf - Klare Trennscheibe - Stöwers-Garnelenstube Onlineshop](https://www.stoewers-garnelenstube-onlineshop.de/productpics/41822daacf35fa2bf7d3a29a8fc8ba3b/kallax20-hmf_2_aquarium_komplett_mit_filter_und_abdeckscheiben_ein_kreislauf_-_klare_trennscheibe-3.jpg)
Kallax20-HMF/2 Aquarium komplett mit Filter und Abdeckscheiben / () Ein Kreislauf - Klare Trennscheibe - Stöwers-Garnelenstube Onlineshop
![Scapefactory HMF Mat Filter Hamburger Mat Filter Medium (20ppi) without Air Lifter for Aquarium, 18,5cm, Black : Amazon.de: Pet Supplies Scapefactory HMF Mat Filter Hamburger Mat Filter Medium (20ppi) without Air Lifter for Aquarium, 18,5cm, Black : Amazon.de: Pet Supplies](https://m.media-amazon.com/images/I/61JPbkPoEnL._AC_SY355_.jpg)