Tetra Bio-Bag Disposable Filter Cartridges Extra Small

These disposable filter cartridges are easy to use and work to help keep your fish tank in tip-top condition. The ultra-activated carbon is designed to remove discoloration, contaminants, and foul odors while the dense, double-sided mesh works to trap debris and fish waste.

• Convenient and easy-to-use
• Keeps aquarium water crystal clear
• Removes odors and discoloration
• Dense dual-sided mesh filters debris and fish waste
• Ready to use