Shop / GloFish & Tetra / Tetra Whisper Bio-Bags Filter Cartridges Tetra Tetra Whisper Bio-Bags Filter Cartridges Sm 2pk Bio Bag Filter Cartridge $6.99 Sm 2pk Bio-Bag Filter Cartridge Purchase Options Free In-Store Pick Up Not Available Set your store for inventory and store pickup details Zip Code Search Same-day Delivery* No minimum charge for delivery orders. *Order before 2pm and have it delivered today. Orders placed after 2pm will be delivered the next day. Must be inside delivery radius. Zip Code Unfortunately delivery is not available to this address. In order to ensure the best availability accuracy, changing your selected store will remove all items from your cart. You will need to re-add these items with your newly selected store if you choose to continue. Continue Cancel Ship it to Me Not Available Quantity Add To Cart Information Ingredients Help keep your aquarium crystal clear with Tetras Whisper Bio-Bags. These disposable filter cartridges are easy to use and work to keep your fish tank in tip-top condition. The ultra-activated carbon is designed to absorb discoloration and foul odors while the dense, double-sided mesh works to trap debris and fish waste. These Bio-Bags are designed to fit Whisper Power Filters 10, 10i, E, J and MicroFilter (not included). Best of all, they come pre-assembled and ready to use!Why We Love It: Pre-assembled Bio-Bags are ready to use right out of the box. Ultra-activated carbon works to absorb discoloration and odors, keeping your fish tank in tip-top condition. Designed to help keep your aquarium crystal clear. About TetraTetra aquarium products are dedicated to helping seasoned hobbyists and beginners alike to enjoy a successful, life-long aquatic experience. Our complete line of Tetra nutrition, water care, filtration and aquarium products help make fishkeeping accessible to all hobbyists so they can benefit from its rewards. N/A Customers also liked Customer Reviews