Fluval Betta Aquarium Kit Diffusion Chamber Pad 4-Pack

DIFFUSION CHAMBER PAD Disperses flow and polishes water during final stage of filtration before gently releasing it back into the aquarium through widened output slots. Key Features : 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 Fluval BFA Item # Diffusion Chamber Pad 4 Pack HA11337 015561113335 A1333 A-1333