Use a Foam Guard to keep fish and anemones out of your Vortech pumps.  

Sizes:
Mp10 3-pack 
Mp40 3-pack 
Mp60 2-pack

Melev's Tip: Remove foam cover daily and rinse it out well. The more clogged the material becomes, flow rates will diminish in the tank. Always use foam covers on pumps if you have anemones in your display.