sponge filter
- Thread starter milkman407
- Start date
I have the gray ones and 16 of them I use Penguin 660r Powerheads as spongefilters.
They come with a regular powerhead flow diverter in the box and a little venturi valve to draw air into the flow to airate the tank.
They come with a regular powerhead flow diverter in the box and a little venturi valve to draw air into the flow to airate the tank.
