The C-530 is a large capacity filter, designed to handle large volumes of water and heavy waste loads. This filter has an incredibly sturdy design with strong, reliable rubber sealing rings and heavy-duty clamping locks. Featuring an innovative child-proof locking disconnect valve, a handy push-to-prime feature, and stack n'flo media baskets with handles for stress free maintenance and virtually no media by-pass. Multiple stages of mechanical, chemical, and biological filter materials will effectively polish water of particulate debris, harmful contaminants, odors, and discoloration. For most effective results, maintain this filter and replace cartridges monthly. This filter has a flow rate of 530 gph- with media! All media (Rite Size X) and hosing is included, along with intake and a directional output assembly. The manufacturer rates this filter for aquariums up to 150 gallons, and it can be used in both freshwater and saltwater applications.