beaufan 14 Bio-Bag Medium Filter Cartridges with Foam Filters Compatible with Tetra Whisper Internal Power Filter 5-10 Gallons and Whisper Bio-Bag Filters 10i/IQ10/PF10, ReptoFilter 20 Gallons

COMPATIBLE MODELS: This Tetra aquarium filter cartridges are replacement for Tetra Whisper Internal Power Filter 5 to 10 Gallons and Whisper Bio-Bag Filters 10i/IQ10/PF10, ReptoFilter 20 Gallons

PACKAGE CONTENT: The aquarium cartridges set includes 10 carbon filter packs and 4 foam filter packs. Monthly replacement is recommended for optimal performance and aquarium ecological balance

4-STAGE FILTRATION: Double-layer dense mesh filters debris and fish excreta. Activated carbon adsorbs odors and pigments to keep aquarium water clear for fish growth, Foam filter's porous structure intercepts larger particles of impurities in the water

MAINTENANCE: The filter cartridge's front and back can be easily distinguished. It's easy to install and use, and can be reused by simply rinsing it with water

CUSTOMER SERVICE: We are honest seller and responsible for your purchase. If you have questions about the Aquarium Cartridge, please contact us and we will resolve them as soon as possible