Aqueon QuietFlow Replacement Filter Cartridge Medium 6 pack Red Sea Dosing Cap Tubes water is redirected around the

water is redirected around the filter and back into the aquarium through an outlet on the side

Directions and protocol: Shake well prior to use

then use the cubes instead

only a small amount of Vitamin C is added as a preservative

Aqueon QuietFlow Replacement Filter Cartridge Medium 6 pack Red Sea Dosing Cap Tubes water is redirected around theAqueon Replacement Filter Cartridges are dual sided, featuring dense floss with over 25% more activated carbon than the leading brands. These patented cartridges were designed to ensure even distribution of activated carbon. To use, simply rinse under cold water and easily install using the FRONT orientation tab. Cartridge contains high quality activated carbon that keeps water clean. Installs in seconds: rinse first and align cartridge bottom key