Designed for use with the Fluval Betta Premium Aquarium Kit, the Diffusion Chamber Pad is a 2-in-1 mechanical media that both diffuses and polishes water during the final stage of filtration.

• Mechanical filter media
• Specifically designed for the Betta Premium Aquarium Kit, 2.6 US Gal / 10 L (Item #10498)
• 2-in-1 water diffuser and polisher
• Customized to fit seamlessly within Diffusion Chamber (no water bypass)
• For best results, replace monthly
• Convenient 4-pack format