Evolution Aqua Cetus Sieve Pre-Filter Diversified Waterscapes Replacing the diaphragm yearly is

Replacing the diaphragm yearly is recommended

Low to moderate splash/mist

Medium Pro-Series AquaFalls Filter (AM)

SKU Size Treatment Capacity THERAPQ 32oz 500 gallons for 11 months THERAPG4 128oz (gallon) 5

Evolution Aqua Cetus Sieve Pre-Filter Diversified Waterscapes Replacing the diaphragm yearly isThe Cetus sieve is a totally new, bow screen pre filter, made using the latest rotational molding technology. The Cetus sieve is a bow screen pre filter, suitable for pre filtration of any biological filter, including all pressure filters. It is advised that all pressurized filters be pre filtered using a Cetus to reduce excessive back washing and maintenance due to heavy solids. It is designed to efficiently and effectively remove large amounts of