The 8 Pack Small Filter Cartridges compatible with Tetra Whisper Bio-Bag Filter is a convenient solution for maintaining clean and healthy water in your aquarium. With a pattern of 8 cartridges in a pack, you can easily replace them every 2-4 weeks to ensure optimal filtration. The small size of the cartridges makes them suitable for smaller aquariums, and the white color adds a sleek and discreet look to your setup. Made by a branded manufacturer, these cartridges are designed to last and provide efficient filtration for your fish.
eBay