Black Sponge dimension : 390x390x50
Japanese green filter mat, dimension : 2 x 1m. suitable for freshwater and saltwater aquariums.
a biological porous media for the effective housing of many bacteria for a crystal clear aquarium, 250g
Ammonia Reduction filter mat, dimension : 45 x 25 cm. suitable for freshwater and saltwater aquariums.
Environmentally Friendly Activated Carbon which makes the water of your aquarium crystal clear and odorless, 500g