Fluval FX4/FX5/FX6 Bio-Foam, Replacement Aquarium Filter Media, 2-Pack Treatments low in calories (only 8

low in calories (only 8 calories per average treat) and nothing added like colors

and free from harmful parasites

dairy-free frosting and birthday candle is perfect for a gotcha day or an observed dog birthday

and rosemary extract for added health benefits

Helps prevent reinfestation

Fluval FX4/FX5/FX6 Bio-Foam, Replacement Aquarium Filter Media, 2-Pack Treatments low in calories (only 8Replacement Filtration: Bio Foam filter inserts are designed for use in Fluval FX4, FX5 and FX6 Canister Filters in freshwater and saltwater aquariums. Double Duty: These Bio Foam filters perform as both mechanical and biological filters. Intricate Design: Bio Foams dense structure is ideal for trapping small particles, with an intricate, porous network that provides vast surface area to facilitate biological activity. Maintain Clean Environment: