Penn-Plax Cascade 150 or 200 GPH Hang On Filter Aquarium Bio Sponge Replacement; 1 Pack; Cut to fit Cascade 150 or 200

About this item

• Keep your tank clean and clear with the genuine Penn Plax filter cartridge to fit your Cascade 150 GPH Model CPF3 or 200 GPH Model CPF4 hang-on power filters.
• The bio sponge filter removes dirt and debri from your aquarium tank keeping your aquarium clean and clear.
• Filter sponge optimizes the colonization of beneficial aerobic bacteria which prevents the water from becoming cloudy and harming fish.
• Perfectly cut to fit into the Cascade 150 or 200 Hang On Filter tray without any gaps which could allow pollutants to re-enter the water.