3" Pump Intake Filter Koi Ponds & Water Gardens (Air Systems) These plastic Bio-Balls are a

These plastic Bio-Balls are a great media for use in all types of biological filters

Please note that this product is most effective if oxygen levels are adequate throughout the pond

so it can be used as a submersible pump or out of the water as an inline pump

It draws 9 watts

Extremely safe and super effective this revolutionary product offers you rapid control yet will not negatively impact your biological filtration

3" Pump Intake Filter Koi Ponds & Water Gardens (Air Systems) These plastic Bio-Balls are aMade from epoxy coated heavy gauge galvanized wire that will not rust, this filter will keep fish and other large objects out of your pumps. Check valve keeps pumps primed when pump is off. Mesh is 1 2 x 1 inch. Connects to 3" PVC and is 30" long x 11" diameter.