Replacement filter sponges, 10 mm, set of 3

The Fhoch2 replacement filter sponges with a 10 mm hole diameter in a set of 3 are suitable for many pump heads and intake pipes of external filters or hang-on filters. Also fits as replacement sponge for Brillant Filter from Tetra.
The filter sponges are suitable as protection against the suction of small shrimp or fish, or as a pre-filter for coarse dirt particles, or for colonization with filter bacteria.

The Fhoch2 filter sponges are optionally available with fine filter foam with 45 ppi or middle filter foam with 30 ppi.
The Fhoch2 filter foam comes from German manufacturers and behaves in the aquarium absolutely water-neutral.
Due to the open-pore structure, the Fhoch2 replacement filter sponges offer a very large surface area for colonization of the filter bacteria.

The Fhoch2 replacement filter sponges have the following dimensions:
- squared: 5 x 5 x 10 cm
- hole diamter: 10 mm,  but not consistently
- Depth of the hole: approx. 8 cm
- colors: blue or black
- pore density: 30 ppi (medium pored) or 45 ppi (fine pored)
- each in a set: 3 pieces