Ocean Free Rectangular Cata-Pure Cartridge for Hydra 30 The Cata-Pure Cartridge can last 9-12 months depending on the amount of fish and is functional in marine environments.

Ocean Free Pro Series Filter Small 3DM Rings 12-14mm 2ltr OF® 3DM Pro-Filter Medium is a revolutionary mineral based beneficial-bacteria medium that incorporates the most advanced heating and multi-staged manufacturing techniques and...

Fluval G3/ G6 G Nodes -  Biological Filtration Media Fluval® ceramic G-Nodes feature a complex pore system where beneficial bacteria will thrive. With more capacity and a special shape that enables them to be compacted tightly within the...

Fluval G3 Chemical Cartridge Fluval G Re-usable Chemical cartridges are for use with the Fluval G advanced filters. The cartridges are designed to hold most loose or granulated chemical filter media down to 0.2mm in diameter and provide maximum...

Fluval G3 Fine Pre-filter Cartridge The Fluval® G3 Fine Pre-Filter Cartridge is designed for daily use in marine aquariums where suspended debris is minimal, or it can be used as a polishing cartridge for standard or fresh water aquariums. The fine...

Eheim 2026/2028/2226 Carbon Filter Pad (3pk) (2628260) 3 per set Replace as needed Genuine Eheim Spare Part The Eheim Tap seals can perish and may need to be replaced to prevent leaks.