Keep your aquarium clean and your fish feeling fresh with the Vibrant Life Medium Filter Cartridges. Specially designed for use with the Vibrant Life Medium Power Filter these cartridges deliver reliable three-stage filtration to maintain a clear and healthy tank environment. The coarse floss layer captures dirt and debris while high-quality activated carbon helps reduce odors discoloration and impurities. A built-in biological frame supports the growth of beneficial bacteria that help eliminate toxic ammonia and nitrite. Ideal for five- to 10-gallon freshwater or saltwater aquariums this convenient three-pack keeps maintenance simple and your water crystal clear. For best results replace every two to four weeks with the Vibrant Life Medium Filter Cartridges. Keep your tank fresh and your fish thriving with the Vibrant Life Medium Filter Cartridges. Help your pets live the Vibrant Life! Our products are specially crafted with one goal in mind seeing your pet at its very best. With a variety of offerings designed to keep animals healthy happy and energized Vibrant Life stands out as the brand that truly puts your pet first.