Fluval G6 Fine Pre-Fitler Cartridge Fluval G6 Fine Pre Filters are designed for daily use with marine aquariums where suspended debris is minimal, or as a polishing cartridge for standard or fresh water aquariums. Fine mesh traps debris 75ì (micron) or larger for unparalleled mechanical filtering results. Designed as a "no by-pass" system, debris remains caught between each pleat until it is removed and rinsed. Designed for top-loading, quick-release Fluval G6 filtration system.

Fluval G6 Pre-Filter Cartridge Daily use cartridge for the Fluval G6 Advanced Filter. The Fluval G6 PreFilter cartridge slides effortlessly into the quick-release, top-access media station and will trap suspended debris for effective mechanical filtration in fresh or marine applications. Designed as a "no by-pass" system, debris remains caught between each pleat until it is removed and rinsed. For extended use it is recommended the cartridge is cleaned at least every 2-3 weeks.

Combination Cartridge This is the replacement cartridge for the AF-94 module. The single model has one cartridge, the double has two and the triple has three cartridges. The cartridge is ideal for taking out particulate matter and there is a small bag inside the chamber that can be filled with carbon.

Replacement Cartridge for Ocean Clear 325 Filter - 25 ft. This is the 25 micron replacement cartridge for Ocean Clear 325 canister filters.