filter sponge/sponge round Which good for aquarium filtering,we can supply different density,different thickness,different shap

filter sponge/aquarium filter/sponge round

 Which good for aquarium filtering, we can supply different density,different thickness,different shape,according customers requirements.

  Our biological filter sponge is made from high quality material,which is helpful for developing nitrobacteria,with thick filaments and hard texture,so its good as middle-laying filter material.

size:dia50*H2cm

carton Quantity:30pcs

GW(kg):4.6

NW(kg):4

sponge round