Quick Filter Cartridge - Large - 2 pk.

The AquaClear Quick Filter Replacement Cartridges are uniquely designed to fit the Large AquaClear Quick filter. Quick Filter system converts AquaClear Powerheads into a powerful water polishing filter. The cartridge has an extra thick duo-density pad that has an expanded capacity for waste removal. This thick pad allows it to remove solid waste and particles as small as 1 micron without difficulty for fresh and saltwater aquariums.