2 pack premium quality pre-filter foam sponge is quickly and easily attached to the intake tube stem,preventing small,baby or weaker inhabitants/shrimp from being drawn into the filter.
This is a must have for all shrimp tank owners and anyone else who has baby or small fish in their tank.
Aids in biological filtration.Traps debris and prolongs the life of your filter media.With single port.
Suitable for all kinds of waterfall filters and small cylinder filters.