aquarium sponge filter

large corner filter,aquarium sponge filter,aquarium 1. duck mouth shape drainage can let the water in the tank have a whole circulation. 2. expand and contract freely,supply the water with much needed oxygen. 3. water input from base,good effecte to break down harmfulwaste with two ply filter Thiscornerfilterisdesignedtofiltersmallaquariumsefficiently.Themultilayersof filtermediasupportsthecolonizationofbacteria,whichwillbreakdownharmfulwasteandwillgivethetankacleanlivingenvironmentforyou sponge size: Ø5*7.5*2 material &sponge density:plastic+sponge +ceramic rings +gravel gross weight:18.4kg net weight :17.2kg box size:29*36.5*25cm qty/ctn:48pcs liters for tank:200L