16 Pack Filter Cartridge for Tetra Whisper Bio-Bag Filters, Medium Replacement Filter Cartridges for Aquariums Compatible with Tetra Whisper Filters 10i / IQ10 / PF10 and 20 Gallons ReptoFilter Healthy Packers Durable Finish

Durable Finish

enabling proper aeration

✔ Effectively reduces pressure on the knee and stabilizes the joint

enzyme-based cleaners

16 Pack Filter Cartridge for Tetra Whisper Bio-Bag Filters, Medium Replacement Filter Cartridges for Aquariums Compatible with Tetra Whisper Filters 10i / IQ10 / PF10 and 20 Gallons ReptoFilter Healthy Packers Durable FinishBrand: Pryitier Features: Filter Cartridge for Tetra Whisper16pcs Medium Replacement Filter Cartridges, Unit Size: 3. 5 * 5. 5 inches. This aquarium filter cartridge is compatible with Whisper Bio Bag External Filter PF10 Whisper External IQ10 and Whisper 10i Internal Filter and TetraFauna ReptoFilter 20 gallons (90 GPH). Four Stage FiltrationThe filter is made of dense dual sided mesh, Better thickness provides better filtration, Ultra Activated