Tetra Whisper Filter Cartridges Bio-Bag Disposable Filter Cartridges for Aquariums Small by Tetra

Tetra Whisper Bio-Bag Cartridge replacements complete the Whisper Power Filter package for a clean, easy-to-maintain aquarium. Filled with ultra-activated carbon, these ready-to-use disposable filter cartridges remove waste particles, odors, and discoloration for crystal clear water.

• Genuine Whisper filter cartridge replacements
• Keeps water crystal clear
• Removes odors and discoloration
• Change small whisper filter cartridge monthly
• Dense dual-sided mesh filters debris and fish waste
• Fully assembled and ready to use

Bio-Bag cartridges are tough on the debris that makes aquariums nasty. Ultra-activated carbon absorbs odors and discoloration and dense, dual-sided mesh catches debris and fish waste better than other brands to keep your fish tank clean. Replace cartridges once a month for maximum filter efficiency. Tip: Replace Bio-Bag cartridges when water begins to overflow excessively from the Wonder Tube chamber.

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. Tetra Bio-Bag Disposable Filter Cartridges Small Fits Whisper In-Tank Filter 3i.