Lee’s Aquarium & Pets Under Gravel Filters Carbon Cartridges, 2 Count

Help your finned friends breathe easily with Lee’s Aquarium & Pets Under Gravel Filters Carbon Cartridges! These cartridges are designed for use with Lee’s Premium, Original, or Economy Under-Gravel Filtration Systems (sold separately). They feature a rigid outer shell that’s filled with high-quality, activated carbon to help remove chemical impurities, odors, coloration, and other contaminates from tank water for a cleaner, clearer tank. These cartridges are pre-filled for easy installation. Keep your tank fresh and functional so your finned friends can swim happily!