Ocean Free Hydra 20-30-40-50 And Stream Cata-Pure Cartridge (4 Pack)

The Ocean Free Hydra 20/30/40/50 And Stream Cata-Pure Cartridge (4 Pack) is suitable for marine and freshwater fish tanks of all sizes, all types of fishes, plants and live corals including all levels of stocking density.

It also helps in the prevention of New Tank Syndrome especially in Marine tanks application, perfect for any applications that requires pristine water condition of safe and stable level of Ammonia, nitrites and nitrates acceptable for aquatic life form.

The Cata-Pure Cartridge can last 9 -12 months depending on the amount of fish and is functional in marine environments. Fits all model Hydra Internal Filters, Hydra Filtron & Inline Stream units which take the square cartridge.

• Can last 9 -12 months depending on the amount of fish and is functional in marine environments.
• Fits all model Hydra Internal Filters, Hydra Filtron & Inline Stream units (20/30/40/50).
• Keeps your aquarium clean and clear.
• Pack Size: 4 Pack
• Suits: Hydra models 20/30/40/50