Cascade Internal Filter, Cascade 600 - Up to 50 Gallons (175 GPH) PSUSA It is important to replace

It is important to replace the insert monthly

Whatever the need

and repositionable closures to provide a comfortable and secure fit

but passes ASTM tests for safe levels

Color: Sand

Cascade Internal Filter, Cascade 600 - Up to 50 Gallons (175 GPH) PSUSA It is important to replaceThe Penn Plax Cascade Internal Filter by Penn Plax is designed for better filtration and aeration above and below the surface! The spray bar distributes water evenly over the waters surface to aid in aeration for healthier, cleaner aquarium water. Efficient chemical and biological aquarium filtration Removes harmful toxins, odors, discoloration and more Spray bar provides essential aeration for healthier environment The Cascade Internal Filter