Two Little Fish Phosban Reactor 150 substrat pro biological filter media encourage or even-out and maintain

encourage or even-out and maintain nitrification for your marine life environment

the Sand Mat cannot be accidentally ingested

it is specifically designed for marine fish

Operated exclusively via the FluvalSmart App on your mobile device

Two Little Fish Phosban Reactor 150 substrat pro biological filter media encourage or even-out and maintainThe PhosBan Reactor 150 is designed with the upflow principle to achieve the most efficient use of PhosBan or other chemical filter media. By pushing water from the bottom upward through a dispersion plate, it forces an even distribution of water through the media, and prevents channeling. It can be mounted hanging on the back of the aquarium or below the aquarium. Hose barb connections are for 1 2 inch i. d. tubing. Includes 1 2 inch barbed ball