Tetra Whisper Bio-Bag Disposable Filter Cartridges Unassembled Medium 12 Count

The Tetra Whisper Bio-Bag Disposable Filter Cartridges Unassembled offer an easy and effective way to keep aquariums clean and healthy with minimal effort. Specially designed for Whisper Power Filters, each cartridge is built with durable, dual-sided mesh to capture debris and fish waste, while ultra-activated carbon helps eliminate odors and discoloration, ensuring crystal-clear water. Assembly is quick and simple just slide the filter bag over the Aerobic Frame, pour in the carbon packet, secure it with the clip, and rinse under cool water to wash away any loose carbon dust before placing it in the filter. For the best results, replace each cartridge monthly to maintain strong filtration and a balanced aquatic environment.

Blending powerful mechanical and chemical filtration, Tetra Whisper Bio-Bags are recognized as one of the best fish tank filters for hobbyists who want clean water without the extra work. The unassembled version allows convenient storage, while the color-coded packaging makes it easy to choose the right size. Thanks to their Tetra Fish Disposable Filter design, there’s no need to clean or reuse old media—offering a straightforward, mess-free solution for consistent aquarium care.

• Rinse the cartridge before use to remove excess carbon dust.
• Replace regularly to prevent reduced filter performance.
• Use only with compatible Tetra Whisper filters for best results.
• Store spare cartridges away from moisture and direct sunlight.
• Do not attempt to clean or reuse designed for single-use only.

• Slide the bag over the Aerobic Frame.
• Add ultra-activated carbon from included packet.
• Press flaps over top and close with provided clip.
• Rinse thoroughly under tap water to remove carbon dust.
• Insert into the filter and replace every month.