![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.
![Wet Thumb Forum]-A New(??) Filtration Concept: The Hamburger Mattenfilter " HMF" - DIY Aquarium Projects - Aquatic … | Aquaponics aquarium, Aquaponics, Diy aquarium Wet Thumb Forum]-A New(??) Filtration Concept: The Hamburger Mattenfilter " HMF" - DIY Aquarium Projects - Aquatic … | Aquaponics aquarium, Aquaponics, Diy aquarium](https://i.pinimg.com/736x/ea/94/cf/ea94cf2b8a57636c2cb7e9fb4c65f33c.jpg)
Wet Thumb Forum]-A New(??) Filtration Concept: The Hamburger Mattenfilter " HMF" - DIY Aquarium Projects - Aquatic … | Aquaponics aquarium, Aquaponics, Diy aquarium
![Aquarium Sponge Mobile HMF Biological Internal Hamburg Matten Air Fish Tank Quiet Water Foam Filter for Shrimp Fish 15x10x34cm up to 200-250 liter Tanks (PPI 45 fine (shrimp safe), Black) : Buy Aquarium Sponge Mobile HMF Biological Internal Hamburg Matten Air Fish Tank Quiet Water Foam Filter for Shrimp Fish 15x10x34cm up to 200-250 liter Tanks (PPI 45 fine (shrimp safe), Black) : Buy](https://m.media-amazon.com/images/I/6154aqMDFcL._AC_UF894,1000_QL80_.jpg)
Aquarium Sponge Mobile HMF Biological Internal Hamburg Matten Air Fish Tank Quiet Water Foam Filter for Shrimp Fish 15x10x34cm up to 200-250 liter Tanks (PPI 45 fine (shrimp safe), Black) : Buy
![Scapefactory HMF Hamburger Mat Filter Coarse (10 ppi) with Air Lifter for Aquarium (27.5 cm, Black) : Amazon.de: Pet Supplies Scapefactory HMF Hamburger Mat Filter Coarse (10 ppi) with Air Lifter for Aquarium (27.5 cm, Black) : Amazon.de: Pet Supplies](https://m.media-amazon.com/images/I/61q5cWd9FfL._AC_UF1000,1000_QL80_.jpg)