Filtering sponges
Small Sintered glass cylinder media for fresh and saltwater ...
Filter sponge
Filtering medium for biological and mechanical filtration ...
Resins for adsorbing phosphates and silicates
Resins for adsorbing nitrates
Decalcifying resin
Synthetic fibre
Sintered glass cylinder media for fresh and saltwater ...
Filtering medium blend made with 50% super-activated carbon ...
Vegetable based carbon for chemical and biological ...
Granular peat
Kiln-fired small ceramic cylinder media for filtering fresh ...
Is a mix consisting in high-absorbing resins and coconut ...
Vegetable based activated carbon