Tetra StayClean Bio-Bag Cartridge, Medium, 1 Pack

Keeping a clean and clear aquarium can be daunting. Thats why Tetra brand created Stay Clean Filter Technology for easier maintenance and healthier fish. Compatible with Bio-Bag filters, these cartridges provide 4 stages of filtration to keep your water clean and clear. Ultra-Activated carbon will remove odors and yellow discoloration to keep your aquarium looking better than ever. Create a focal point for any room with a clean, clear aquarium.