Tetra Bio Bag with 2 Activated Carbon Filters

4-pack Bio Bags that effectively absorb aquarium odors and impurities.

- Pack Count: 4 packs
- Product Name: Bio Bag Aquarium Cleaner
- How to Use: Place in aquarium
- Features: Absorbs odors and impurities
- Duration of Effect: 4 weeks

Thank you for looking.

I used two of them and no longer need the remaining two!!