Diffusion Chamber Pads

Fluval Diffusion Chamber Pad is designed for use with the Fluval Betta Black Premium Aquarium Kit and comes in a convenient 4 pack. The diffusion chamber pad is a 2-in-1 mechanical media that both diffuses and polishes water during the final stage of filtration. Features: Mechanical filter media 2-in-1 water diffuser and polisher Customized to fit seamlessly within Diffusion Chamber (no water bypass) Use: For best results, replace monthly