Our 28cm high Mobile Hamburg Matten Filter: https://www.envobeeshrimp.co.uk/product/hmf-biological-sponge-filter-black-10x10x28cm/ | By Envobee Shrimp | Facebook
![Scapefactory HMF Mat Filter Hamburger Mat Filter Fine (30ppi) with Air Lifter with Lid for Aquarium, Black : Amazon.de: Pet Supplies Scapefactory HMF Mat Filter Hamburger Mat Filter Fine (30ppi) with Air Lifter with Lid for Aquarium, Black : Amazon.de: Pet Supplies](https://m.media-amazon.com/images/I/81m-iJ5GlXL._AC_SL1500_.jpg)
Scapefactory HMF Mat Filter Hamburger Mat Filter Fine (30ppi) with Air Lifter with Lid for Aquarium, Black : Amazon.de: Pet Supplies
![Amazon.com : AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider (23" Lx 12.25" W x 2" H, Blue) : Pet Supplies Amazon.com : AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider (23" Lx 12.25" W x 2" H, Blue) : Pet Supplies](https://m.media-amazon.com/images/I/71ItrCpNbcL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider (23" Lx 12.25" W x 2" H, Blue) : Pet Supplies
![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/HMF%20malawi%20corner%20filter.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... | Aquaponics aquarium, Aquaponics, Diy aquarium Wet Thumb Forum]-A New(??) Filtration Concept: The... | Aquaponics aquarium, Aquaponics, Diy aquarium](https://i.pinimg.com/originals/ea/94/cf/ea94cf2b8a57636c2cb7e9fb4c65f33c.jpg)