Aquarium Filters Bio-Logical

Description: Material: Polyurethane Color: Black Size : (L)X(W)X(H) 50X50X2cm/50X50X4cm/19.69''X19.69''X1.57''(appr.) Micropore/Mesopore/Macropore Features Brand New and high quality. Exce more→llent water permeability. Can be used again after cleaning. Can be cut any sizes as your needed. Suitable for using in freshwater and marine water. Cultivate the nitrifying bacteria for biological filtration. Offers good biochemical and physical filtration effects. Package included: 1 Pcs Filter Sponge Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement