The Penn Plax Cascade 150 GPH / 200 GPH Hang On Filter Bio Sponge keeps the water in your aquarium clean and clear. This Cascade filter sponge removes particles from the water keeping your fish tank healthy and clean. This bio sponge also optimizes the colonization of beneficial aerobic bacteria which prevents cloudy water. Made specifically to fit the Cascade 150 / Cascade 200 Hang On Filter; this replacement bio sponge fits securely without gaps that lead to weaknesses in filtration strength. An exact fit keeps debris and contaminants from getting through your filtration system and back into water. Made of a durable poly-fiber; this bio sponge filter is made to last for several months under normal conditions. When used together; the Cascade 150 Model CPF3 / Cascade 200 Model CPF4 Hang On Filter bio sponge provides maximum protection against water pollutants from harming your fish.
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.