How to Install Corner Hamburger Mattenfilter (HMF) in Aquarium

Hamburg mat filter HMF guide - aquaristics

8.7.3. Hamburg Matten Aquarium Filter

With this offer you will receive the brand new concave filter suitable for standard Kallax aquariums with 20 or 22cm tank height. The height of the

Concave HMF for Kallax

Hamburg matten for a 10 gallon

How to Make Your Own HMF (Hamburger Matten Filter)

My DIY Hamburger Mattenfilter - Aquarium Advice - Aquarium Forum

How a HMF (Hamburg matten filter) Works

How a HMF (Hamburg matten filter) Works

Corner Filter Installation

Hamburger Mattenfilter HMF