This Penn-Plax Undertow Filt-A-Carb Universal Carbon Cartridge is a must-have for any aquarium enthusiast. It is designed to keep your tank clean and clear by effectively removing impurities and odors from the water.

With its universal design, this cartridge is compatible with a wide range of filters. It is ideal for use in aquariums of all sizes and is a reliable choice for maintaining the health and wellbeing of your fish. Get yours today and enjoy crystal-clear water in your aquarium.